@book{Mayer2001,
  author    = {Mayer, Claudia},
  title     = {Art : from prehistoric art to modernism / [Text: Claudia Mayer-Iswandy]},
  publisher = {DuMont},
  address   = {K{\"o}ln},
  isbn      = {3-7701-7048-2},
  pages     = {[19] S. : zahlr. Ill. + Beil. (19 S.)},
  year      = {2001},
  language  = {en}
}
@book{Mayer1997,
  author    = {Mayer, Claudia},
  title     = {Der Butt : Roman / G{\"u}nter Grass. Hrsg. von Claudia Mayer-Iswandy},
  publisher = {Steidl},
  address   = {G{\"o}ttingen},
  isbn      = {3-88243-489-9},
  pages     = {703 S.},
  year      = {1997},
  language  = {de}
}
@book{Mayer1997,
  author    = {Mayer, Claudia},
  title     = {Das Treffen in Telgte : eine Erz{\"a}hlung / G{\"u}nter Grass. Hrsg. von Claudia Mayer-Iswandy},
  publisher = {Steidl},
  address   = {G{\"o}ttingen},
  isbn      = {3-88243-490-2},
  pages     = {176 S.},
  year      = {1997},
  language  = {de}
}
@book{MayerRau1995,
  author    = {Mayer, Claudia and Rau, Uwe [Hrsg.]},
  title     = {Zwischen Ende und Anfang : individuelles Geschichtserleben 1945 und 1989 / Hrsg. von Claudia Mayer-Iswandy [u.a.]},
  publisher = {Goethe-Institut Montr{\´e}al},
  address   = {Montreal},
  isbn      = {2-9801595-6-5},
  pages     = {99 S. : Lit.Hinw.},
  year      = {1995},
  language  = {de}
}
@book{Mayer1994,
  author    = {Mayer, Claudia},
  title     = {Zwischen Traum und Trauma - die Nation : transatlantische Perspektiven zur Geschichte eines Problems / Claudia Mayer-Iswandy (Hrsg.)},
  publisher = {Stauffenburg-Verl.},
  address   = {T{\"u}bingen},
  isbn      = {3-86057-132-X},
  pages     = {305 S.},
  year      = {1994},
  language  = {de}
}
@book{MayerGrassNeuhaus1987,
  author    = {Mayer, Claudia and Grass, G{\"u}nter and Neuhaus, Volker [Hrsg.]},
  title     = {Der Butt / G{\"u}nter Grass. Hrsg. von Claudia Mayer},
  publisher = {Luchterhand},
  address   = {Darmstadt},
  isbn      = {3-472-86644-6},
  pages     = {741 S.},
  year      = {1987},
  language  = {de}
}
@book{Mang1994,
  author    = {Mang, Thomas},
  title     = {Verfahren zum Trennen eines Kunststoffes von einem Tr{\"a}germaterial / Offenlegungsschrift DE 4313007 A1 ; Offenlegungstag 27.10.1994/ Anmelder und Erfinder : Mang, Thomas},
  publisher = {Deutsches Patentamt},
  address   = {M{\"u}nchen},
  pages     = {4 S.},
  year      = {1994},
  language  = {de}
}
@book{MangHaulena1994,
  author    = {Mang, Thomas and Haulena, Friedhelm},
  title     = {Vorrichtung zur Aufhebung der Verbindung verschiedener Komponenten eines Verbundwerkstoffes / Patentschrift DE 4320000 C1 Ver{\"o}ffentlichungstag der Patenterteilung 11.05.1994 / Erfinder : Rose, Gerd ; Haulena, Friedhelm ; Mang, Thomas M. ; Patentinhaber: Schering AG},
  publisher = {Deutsches Patentamt},
  address   = {M{\"u}nchen},
  pages     = {10 S. : graph. Darst.},
  year      = {1994},
  language  = {de}
}
@book{Pawelke1969,
  author    = {Pawelke, Siegfried},
  title     = {Saturation und Approximation bei Reihen mehrdimensionaler Kugelfunktionen},
  publisher = {Techn. Hochsch.},
  address   = {Aachen},
  pages     = {97 S.},
  year      = {1969},
  language  = {de}
}
@book{LauthHoelderichWagenblast1996,
  author    = {Lauth, Jakob and H{\"o}lderich, Wolfgang and Wagenblast, Gerhard},
  title     = {Azofarbstoffe enthaltende Molekularsiebe = Molecular sieves containing azo dyes ; Europ{\"a}ische Patentschrift EP0630354B1 ; Ver{\"o}ffentlichungsdatum: 13.11.1996 / Anmelder: BASF AG},
  publisher = {Europ{\"a}isches Patentamt},
  address   = {[M{\"u}nchen u.a.]},
  pages     = {25 S.},
  year      = {1996},
  language  = {de}
}
@book{LauthHoelderichWagenblast1993,
  author    = {Lauth, Jakob and Hoelderich, Wolfgang and Wagenblast, Gerhard},
  title     = {Molecular sieves containing azo dyes ; Internationale [Pantent]anmeldung WO93/17965 ; Ver{\"o}ffentlichungsdatum: 16.09.1993 / Anmelder: BASF AG},
  publisher = {Weltorganisation f{\"u}r geistiges Eigentum, Internat. B{\"u}ro},
  address   = {[Genf]},
  pages     = {45 S.},
  year      = {1993},
  language  = {en}
}
@book{LauthHoelderichWagenblast1994,
  author    = {Lauth, Jakob and Hoelderich, Wolfgang and Wagenblast, Gerhard},
  title     = {Molekularsiebe, enthaltend Farbstoffe auf Basis von Indigo = Molecular sieves containing indigo-based dyes ; Europ{\"a}ische Patenanmeldung EP0630353A1 ; Ver{\"o}ffentlichungsdatum 28.12.1994 / Anmelder: BASF AG},
  publisher = {Europ{\"a}isches Patentamt},
  address   = {[M{\"u}nchen u.a.]},
  year      = {1994},
  language  = {de}
}
@book{LauthHoelderichWagenblast1993,
  author    = {Lauth, Jakob and Hoelderich, Wolfgang and Wagenblast, Gerhard},
  title     = {Molekularsiebe, enthaltend Farbstoffe auf Basis von Indigo = Molecular sieves containing indigo-based dyes ; Internationale [Pantent]anmeldung WO 93/17966 ; Ver{\"o}ffentlichungsdatum 16.09.1993 / Anmelder: BASF AG},
  publisher = {Weltorganisation f{\"u}r geistiges Eigentum, Internat. B{\"u}ro},
  address   = {[Genf]},
  pages     = {29 S.},
  year      = {1993},
  language  = {de}
}
@book{LauthHoelderichHarthetal.1997,
  author    = {Lauth, Jakob and Hoelderich, Wolfgang and Harth, Klaus and Hirbst, Hartmut},
  title     = {Schalenkatalysatoren = Shell coated catalysts ; Europ{\"a}ische Patentschrift EP0576944B1 ; Ver{\"o}ffentlichungsdatum 26.02.1997 / Anmelder: BASF Aktiengesellschaft},
  publisher = {Europ{\"a}isches Patentamt},
  address   = {[M{\"u}nchen u.a.]},
  pages     = {12 S.},
  year      = {1997},
  language  = {de}
}
@book{LauthGerhardBurghart1998,
  author    = {Lauth, Jakob and Gerhard, Wolf and Burghart, Bernd},
  title     = {Verfahrung zur Herstellung von Alkoxylierungsprodukten in Gegenwart von mit additiven modifizierten Mischhydroxiden = Method for preparing alkoxylation products in the presence of additive-modified mixed hydoxides ; Europ{\"a}ische Patentschrift EP0711268B1 ; Ver{\"o}ffentlichungsdatum 28.10.1998 / Anmelder: BASF AG. Erfinder: Wolf Gerhard ; Bernd Burghart ; G{\"u}nter Lauth ...},
  publisher = {Europ{\"a}isches Patentamt},
  address   = {[M{\"u}nchen u.a.]},
  pages     = {18 S.},
  year      = {1998},
  language  = {de}
}
@book{BaltzerPoschmann2007,
  author    = {Baltzer, Wolfgang and Poschmann, Michael},
  title     = {Zuk{\"u}nftige Kommunikationstechniken und Integration von Straßentunneln im Bereich der TLS / Michael Poschmann ... Wolfgang Baltzer ... - (Forschung Straßenbau und Verkehrstechnik ; 955)},
  publisher = {Wirtschaftsverlag NW, Verl. f{\"u}r Neue Wiss.},
  address   = {Bremerhaven},
  isbn      = {978-3-86509-641-8},
  pages     = {134 S. : graph. Darst.},
  year      = {2007},
  language  = {de}
}
@book{LauthDingerdissenHenne1998,
  author    = {Lauth, Jakob and Dingerdissen, Uwe and Henne, Andreas},
  title     = {Verfahren zur Herstellung von Aminen : Europ{\"a}ische Patentschrift EP0699653B1 ; EP-Patenterteilungsdatum: 07.01.1998 / Anmelder: BASF AG, 67063 Ludwigshafen. Erfinder: Uwe Dingerdissen ; G{\"u}nter Lauth ; Andreas Henne ...},
  publisher = {Europ{\"a}isches Patentamt},
  address   = {[M{\"u}nchen u.a.]},
  pages     = {12 S. : Ill.},
  year      = {1998},
  language  = {de}
}
@book{LauthTruebenbachHagemeyer2003,
  author    = {Lauth, Jakob and Tr{\"u}benbach, Peter and Hagemeyer, Alfred},
  title     = {Monomodale und polymodale Katalysatortr{\"a}ger und Katalysatoren mit engen Porengr{\"o}ßenverteilungen und deren Herstellverfahren = Monomodal and polymodal catalyst supports and catalysts with a narrow pore size distribution and method for producing the same ; Europ{\"a}ische Patentschrift EP0761307B1 ; Ver{\"o}ffentlichungsdatum 05.02.2003 / Anmelder: BASF Aktiengesellschaft. Erfinder: Peter Tr{\"u}benbach ; Alfred Hagemeyer ; G{\"u}nther Lauth ...},
  publisher = {Europ{\"a}isches Patentamt},
  address   = {[M{\"u}nchen u.a.]},
  pages     = {43 S.},
  year      = {2003},
  language  = {de}
}
@book{LauthMuellerHoelderich1993,
  author    = {Lauth, Jakob and M{\"u}ller, Ulrich and Hoelderich, Wolfgang},
  title     = {Farbige, kristalline Alumophosphate und/oder Silicoalumophosphate vom AEL-Typ oder VFI-Typ ; Europ{\"a}ische Patentanmeldung EP0534289A1 ; Ver{\"o}ffentlichungstag im Patentblatt: 06.05.1993 / BASF AG, 6700 Ludwigshafen. Erfinder: G{\"u}nther Lauth; Ulrich M{\"u}ller ; Wolfgang Hoelderich ...},
  publisher = {Europ{\"a}isches Patentamt},
  address   = {[M{\"u}nchen u.a.]},
  pages     = {15 S.},
  year      = {1993},
  language  = {de}
}
@book{Sander2003,
  author    = {Sander, Volker},
  title     = {Design and evaluation of a bandwidth broker that provides network quality of service for grid applications},
  publisher = {John von Neumann Institute for Computing (NIC)},
  address   = {J{\"u}lich},
  isbn      = {3-00-010002-4},
  pages     = {VIII, 184 S. : Ill., graph. Darst.},
  year      = {2003},
  language  = {en}
}
@book{Laack1982,
  author    = {Laack, Walter van},
  title     = {Experimentelle Untersuchungen {\"u}ber die Wirksamkeit von Schienbeinschonern im Fußballsport},
  address   = {Aachen},
  pages     = {187 S. : Ill.; graph. Darst.},
  year      = {1982},
  language  = {de}
}
@book{GartzenHeilMang1992,
  author    = {Gartzen, Johannes and Heil, G{\"u}nter and Mang, Thomas},
  title     = {Verfahren und Vorrichtung zur Isolierung von polymeren Werkstoffen und Metallen aus Verbundwerkstoffen / Offenlegungsschrift DE 4037523 A1 ; Offenlegungstag 27.05.1992},
  publisher = {Deutsches Patentamt},
  address   = {M{\"u}nchen},
  pages     = {4 S.},
  year      = {1992},
  language  = {de}
}
@book{MangHeilGartzen1992,
  author    = {Mang, Thomas and Heil, G{\"u}nter and Gartzen, Johannes},
  title     = {Verfahren zur Behandlung von Fotopapier / Patentschrift DE 4105368 C1},
  publisher = {Deutsches Patentamt},
  address   = {M{\"u}nchen},
  pages     = {4 S.},
  year      = {1992},
  language  = {de}
}
@book{GartzenHeilMang1993,
  author    = {Gartzen, Johannes and Heil, G{\"u}nter and Mang, Thomas},
  title     = {Verfahren zum Behandeln von miteinander mittels Haftvermittler verbundene Materialien / Offenlegungsschrift DE 4127705 A1 ; Offenlegungstag 25.02.1993 / Anmelder: Schering AG},
  publisher = {Deutsches Patentamt},
  address   = {M{\"u}nchen},
  pages     = {4 S.},
  year      = {1993},
  language  = {de}
}
@book{GartzenHeilMang1998,
  author    = {Gartzen, Johannes and Heil, G{\"u}nter and Mang, Thomas},
  title     = {Verfahren zur Aufbereitung eines Gemisches aus Zellulose und granuliertem Polymer / Patentschrift DE 4133699 C2},
  publisher = {Deutsches Patentamt},
  address   = {M{\"u}nchen},
  pages     = {4 S.},
  year      = {1998},
  language  = {de}
}
@book{SanderRoy2002,
  author    = {Sander, Volker and Roy, Alain},
  title     = {Advance Reservation API / Roy, Alain ; Sander, Volker},
  publisher = {Global Grid Forum},
  pages     = {26 S.},
  year      = {2002},
  language  = {en}
}
@book{Sander2004,
  author    = {Sander, Volker},
  title     = {Optical Network Infrastructure for Grid / Simeonidou, Dimitra ... (ed.)},
  publisher = {Global Grid Forum},
  pages     = {56 S.},
  year      = {2004},
  language  = {en}
}
@book{Sander2004,
  author    = {Sander, Volker},
  title     = {Networking Issues for Grid Infrastructure / Sander, Volker (ed.)},
  publisher = {Global Grid Forum},
  pages     = {52 S.},
  year      = {2004},
  language  = {en}
}
@book{Schelthoff2006,
  author    = {Schelthoff, Christof},
  title     = {Mathematik im Bachelor- und Diplomstudium f{\"u}r Bio- und Chemieingenieure},
  publisher = {Shaker},
  address   = {Aachen},
  isbn      = {978-3-8322-5309-7},
  pages     = {458 S. : Ill., graph. Darst.},
  year      = {2006},
  language  = {de}
}
@book{Schelthoff2007,
  author    = {Schelthoff, Christof},
  title     = {Mathematik im Bachelorstudium f{\"u}r Studierende der Biotechnologie, der Prozesstechnik und der angewandten Chemie. 2. {\"u}berarb. Aufl.},
  publisher = {Shaker},
  address   = {Aachen},
  isbn      = {978-3-8322-6507-6},
  pages     = {478 S.},
  year      = {2007},
  language  = {de}
}
@book{Schelthoff1997,
  author    = {Schelthoff, Christof},
  title     = {Modellierung der SOFC-Brennstoffzelle und die numerische L{\"o}sung mit einem adaptiven Full-Multigrid-Verfahren},
  publisher = {Forschungszentrum J{\"u}lich, Zentralbibliothek},
  address   = {J{\"u}lich},
  pages     = {VI, 100 S. : graph. Darst.},
  year      = {1997},
  language  = {de}
}
@book{Schelthoff1994,
  author    = {Schelthoff, Christof},
  title     = {Vergleich von parallelen Verfahren zur Vorkonditionierung f{\"u}r die Methode der konjugierten Gradienten},
  publisher = {Forschungszentrum J{\"u}lich},
  address   = {J{\"u}lich},
  pages     = {VI, 87 S.},
  year      = {1994},
  language  = {de}
}
@book{Jeromin2008,
  author    = {Jeromin, G{\"u}nter Erich},
  title     = {Organische Chemie : Ein praxisbezogenes Lehrbuch. Korr. Nachdr. der 2. Aufl.},
  publisher = {Deutsch},
  address   = {Frankfurt am Main},
  isbn      = {3-8171-1732-9},
  pages     = {XII, 568 S. : graph. Darst.},
  year      = {2008},
  language  = {de}
}
@book{Weigand2009,
  author    = {Weigand, Christoph},
  title     = {Statistik mit und ohne Zufall : Eine anwendungsorientierte Einf{\"u}hrung . 2. Aufl.},
  publisher = {Physica-Verlag},
  address   = {Heidelberg},
  isbn      = {978-3-7908-2346-2},
  pages     = {XIII, 469 S. : Ill., graph. Darst.},
  year      = {2009},
  language  = {de}
}
@book{SchneiderSchneider2009,
  author    = {Schneider, Bettina and Schneider, Wilhelm},
  title     = {Jahresabschluss und Jahresabschlussanalyse : systematische Darstellung in {\"U}bersichten. 4. Aufl., Studienausg.},
  publisher = {Cuvillier},
  address   = {G{\"o}ttingen},
  isbn      = {978-3-86955-125-8},
  pages     = {Getr. Z{\"a}hlung : graph. Darst.},
  year      = {2009},
  language  = {de}
}
@book{LaumannKindmann2004,
  author    = {Laumann, J{\"o}rg and Kindmann, Rolf},
  title     = {Zur L{\"o}sung von Gleichungssystemen f{\"u}r baustatische Systeme / Kindmann, Rolf ; Laumann, J{\"o}rg},
  publisher = {Ruhr-Univ. Bochum, Lehrstuhl f{\"u}r Stahl- und Verbundbau},
  address   = {Bochum},
  pages     = {4 S.},
  year      = {2004},
  language  = {de}
}
@book{Laumann2003,
  author    = {Laumann, J{\"o}rg},
  title     = {Geometrische Ersatzimperfektionen beim Biegedrillknicken von Kragtr{\"a}gern},
  publisher = {Ruhr-Univ. Bochum, Lehrstuhl f{\"u}r Stahl- und Verbundbau},
  address   = {Bochum},
  pages     = {2 S.},
  year      = {2003},
  language  = {de}
}
@book{SiedenbiedelKnuepfer2009,
  author    = {Siedenbiedel, Georg and Kn{\"u}pfer, Katrin},
  title     = {Internationale Gesch{\"a}ftsbeziehungen und Gesch{\"a}ftsentwicklung, interkulturelle Kommunikation. Wirtschaftsfachwirt, Wirtschaftsfachwirt/in, Bwl 11},
  publisher = {Berufl. Fortbildungszentren der Bayer. Wirtschaft (bfz)},
  address   = {M{\"u}nchen},
  pages     = {90 S. : graph. Darst.},
  year      = {2009},
  language  = {de}
}
@book{OPUS4-3928,
  title     = {Stuhl, Form, Skulptur : ein Projekt des Fachbereichs Gestaltung der FH Aachen in Zsarb. mit dem Rotary Club Aachen-Charlemagne ; [... anl{\"a}sslich des Projektes Stuhl, Form, Skulptur ; Ausstellung ... 20. bis 22. November 2009 im Ludwig Forum der Stadt Aachen] / Red.: Rainer Plum ... Hrsg. / Initiatoren: Rotary Club Aachen-Charlemagne},
  address   = {Aachen},
  pages     = {84 S. : zahlr. Ill.},
  year      = {2009},
  language  = {de}
}
@book{Laumann2003,
  author    = {Laumann, J{\"o}rg},
  title     = {Zur Berechnung der Eigenwerte und Eigenformen f{\"u}r Stabilit{\"a}tsprobleme des Stahlbaus / J{\"o}rg E. Laumann},
  publisher = {VDI-Verl.},
  address   = {D{\"u}sseldorf},
  isbn      = {3-18-319304-3},
  pages     = {VIII, 154 S. : graph. Darst.},
  year      = {2003},
  language  = {de}
}
@book{Laumann2005,
  author    = {Laumann, J{\"o}rg},
  title     = {Vereinfachte Ermittlung der Einspanntiefe von Stahlst{\"u}tzen in Beton f{\"u}r I-Querschnitte und Biegung um die starke Achse},
  publisher = {Ruhr-Univ. Bochum, Lehrstuhl f{\"u}r Stahl- und Verbundbau},
  address   = {Bochum},
  pages     = {4 S.},
  year      = {2005},
  language  = {de}
}
@book{Laumann2004,
  author    = {Laumann, J{\"o}rg},
  title     = {Ermittlung von Eigenwerten mit dem GAUCHO-Verfahren},
  publisher = {Ruhr-Univ. Bochum, Lehrstuhl f{\"u}r Stahl- und Verbundbau},
  address   = {Bochum},
  pages     = {3 S.},
  year      = {2004},
  language  = {de}
}
@book{HeuermannSimonIbrahim2010,
  author    = {Heuermann, Holger and Simon, Sven and Ibrahim, Irfan},
  title     = {Konzeption und Realisierung eines spektralreinen vektoriellen Transmitters mit CMOS-Sigma-Delta-Synthesizern im 1-5 GHz-Bereich / Antragsteller: Fachhochschule Aachen ... Teilprojektleitung: Heuermann},
  publisher = {Fachhochschule},
  address   = {Aachen},
  pages     = {156 S. : Ill., graph. Darst.},
  year      = {2010},
  language  = {de}
}
@book{Hillgaertner2007,
  author    = {Hillg{\"a}rtner, Michael},
  title     = {Hohlraumresonanzg{\"u}te in Modenverwirbelungskammern},
  publisher = {Der Andere Verl.},
  address   = {T{\"o}nning [u.a.]},
  isbn      = {389959679X},
  pages     = {105 S. : Ill., graph. Darst.},
  year      = {2007},
  language  = {de}
}
@book{SammHemme2006,
  author    = {Samm, Doris and Hemme, Heinrich},
  title     = {Physikalische Denksportaufgaben / 1. Aufl., [Nachdr.].},
  publisher = {Klett},
  address   = {Stuttgart},
  isbn      = {3-12-772531-0},
  pages     = {63 S. : Ill., graph. Darst.},
  year      = {2006},
  language  = {de}
}
@book{HavermannSeilerGnemmietal.2001,
  author    = {Havermann, Marc and Seiler, F. and Gnemmi, P. and Ende, H.},
  title     = {Study on lateral jet/cross flow interaction in the High Energy ISL Shock Tunnel : 23rd International Symposium on Shock Waves, Fort Worth/TX, USA, July 22 - 27, 2001 / Institut Franco-Allemand de Recherches de Saint-Louis. Seiler, F. ; Gnemmi, P. ; Ende, H. ; Havermann, M. ; Schwenzer, M....},
  publisher = {ISL},
  address   = {Saint-Louis},
  pages     = {8 S. : Ill., graph. Darst.},
  year      = {2001},
  language  = {en}
}
@book{Havermann2005,
  author    = {Havermann, Marc},
  title     = {Development of a free flight force measuring (FFM) technique at the ISL shock tube laboratory : 25th International Symposium on Shock Waves, ISSW25, Bangalore, India, July 17 - 22, 2005 / Institut Franco-Allemand de Recherches de Saint-Louis. Seiler, F. ; Mathieu, G. ; George, A. ; Srulijes, J. ; Sauerwein, B. ; Havermann, M.},
  publisher = {ISL},
  address   = {Saint-Louis},
  pages     = {6 S. : Ill., graph. Darst.},
  year      = {2005},
  language  = {en}
}
@book{LemaitreBlome2010,
  author    = {Lemaitre, George and Blome, Hans-Joachim},
  title     = {Von der klassischen Kosmologie zum Quantenkosmos},
  editor    = {Blome, Hans-Joachim},
  publisher = {Deutsch},
  address   = {Frankfurt am Main},
  isbn      = {978-3-8171-3304-8},
  pages     = {240 S.},
  year      = {2010},
  language  = {de}
}
@book{HoepnerSchminke2012,
  author    = {Hoepner, Gert and Schminke, Lutz H.},
  title     = {Dialog-Marketing und E-Commerce : ein anwendungsorientiertes und konzeptionelles Kompendium f{\"u}r Praxis und Ausbildung},
  publisher = {Uni-ed. GmbH},
  address   = {Berlin},
  isbn      = {978-3-942171-23-6},
  pages     = {XXXI, 339 S.: graph. Darst.},
  year      = {2012},
  language  = {de}
}
@book{Havermann2000,
  author    = {Havermann, Marc},
  title     = {Strahlmischung und Druckr{\"u}ckgewinn in {\"U}berschall-Innenstr{\"o}mungen},
  publisher = {Mainz},
  address   = {Aachen},
  isbn      = {3-86073-761-9},
  pages     = {XIV, 137 S. : Ill., graph. Darst.},
  year      = {2000},
  language  = {de}
}
@book{Havermann2006,
  author    = {Havermann, Marc},
  title     = {PIV measurements in shock tunnels : PivNet 2, Final Workshop, G{\"o}ttingen, 07. - 08.09.2006},
  publisher = {ISL},
  address   = {Saint-Louis},
  pages     = {12 S. : Ill., graph. Darst.},
  year      = {2006},
  language  = {en}
}
@book{Havermann2006,
  author    = {Havermann, Marc},
  title     = {PIV measurements of compressible vortex rings generated by a shock tube : 13th International Symposium on Applications of Laser Techniques to Fluid Mechanics, Lisbon, PT, 26-29.06.2006; axe de recherches 2.14 / Haertig, J.; Rey, C.; Havermann, M. Institut Franco-Allemand de Recherches de Saint-Louis},
  publisher = {ISL},
  address   = {Saint-Louis},
  pages     = {10 S. : Ill., graph. Darst.},
  year      = {2006},
  language  = {en}
}
@book{HavermannSeiler2004,
  author    = {Havermann, Marc and Seiler, Friedrich},
  title     = {Boundary layer influence on supersonic jet cross flow interaction in hypersonic flow : DGLR/STAB-Fachsymposium Str{\"o}mungsmechanik 2004, Bremer Innovations- und Technologiezentrum (BITZ), Bremen, FRG, 16. - 18. November 2004 / Havermann, M.; Seiler, F. Institut Franco-Allemand de Recherches de Saint-Louis},
  publisher = {ISL},
  address   = {Saint-Louis},
  pages     = {8 S. : Ill., graph. Darst.},
  year      = {2004},
  language  = {en}
}
@book{Havermann2004,
  author    = {Havermann, Marc},
  title     = {Systematische Versuche zur Ringwirbelerzeugung mit Stoßrohren / Havermann, M. [Ed. Institut Franco-Allemand de Recherches de Saint-Louis]},
  publisher = {ISL},
  address   = {Saint-Louis},
  pages     = {34 S. : Ill., graph. Darst.},
  year      = {2004},
  language  = {de}
}
@book{Havermann2004,
  author    = {Havermann, Marc},
  title     = {Shock tunnel measurement of the interaction amplification factor for a hot gas side jet in a supersonic cross-flow : 24th International Symposium on Shock Waves, Beijing, China, July 11 - 16, 2004 / Institut Franco-Allemand de Recherches de Saint-Louis. Havermann, M. ...},
  publisher = {ISL},
  address   = {Saint-Louis},
  pages     = {6 S. : Ill., graph. Darst.},
  year      = {2004},
  language  = {en}
}
@book{Havermann2003,
  author    = {Havermann, Marc},
  title     = {PIV-Messungen im hohen {\"U}berschall am ISL-Stoßrohr-Windkanal : 11. Fachtagung Lasermethoden in der Str{\"o}mungsmesstechnik, PTB Braunschweig, 9. - 11. September 2003 / Institut Franco-Allemand de Recherches de Saint-Louis. Havermann, M. ...},
  publisher = {ISL},
  address   = {Saint-Louis},
  pages     = {8 S. : Ill., graph. Darst.},
  year      = {2003},
  language  = {de}
}
@book{HavermannEndeSchwenzer2002,
  author    = {Havermann, Marc and Ende, Herrybert and Schwenzer, Michael},
  title     = {Shock tunnel study on the interaction of a lateral jet with a supersonic cross flow : West East High-Speed Flow Field Conference, Marseille, France, April 22 - 26, 2002; axe de recherches 2.14 / Havermann, M.; Ende, H.; Schwenzer, M. Institut Franco-Allemand de Recherches de Saint-Louis},
  publisher = {ISL},
  address   = {Saint-Louis},
  pages     = {8 S. : Ill., graph. Darst.},
  year      = {2002},
  language  = {en}
}
@book{HavermannHaertigReyetal.2002,
  author    = {Havermann, Marc and Haertig, J. and Rey, C. and George, A.},
  title     = {Application of particle image velocimetry to high-speed supersonic flows in a shock tunnel : 11th International Symposium on Applications of Laser Techniques to Fluid Mechanics, Lisbon, Portugal, July 8 - 11, 2002; Schwerpunkt 0 / Institut Franco-Allemand de Recherches de Saint-Louis. Havermann, M. ...},
  publisher = {ISL},
  address   = {Saint-Louis},
  pages     = {10 S. : Ill., graph. Darst.},
  year      = {2002},
  language  = {en}
}
@book{Havermann2001,
  author    = {Havermann, Marc},
  title     = {Mesures optiques en m{\´e}canique des fluides: possibilit{\´e}s de la Fluorescence Induite par Laser (FIL) : s{\´e}minaire de formation du Club CMOI: Mesures optiques en m{\´e}canique des fluides industrielles, UFC, Belfort, F, 16 - 17 octobre 2001; axe de recherches 0 / Havermann, M. Institut Franco-Allemand de Recherches de Saint-Louis},
  publisher = {ISL},
  address   = {Saint-Louis},
  pages     = {16 S. : Ill., graph. Darst.},
  year      = {2001},
  language  = {de}
}
@book{Havermann2001,
  author    = {Havermann, Marc},
  title     = {Particle image velocimetry (PIV) applied to high-speed shock tunnel flows / 23rd International Symposium on Shock Waves, Fort Worth/TX, USA, July 22 - 27, 2001. Institut Franco-Allemand de Recherches de Saint-Louis. Havermann, M. ...},
  publisher = {ISL},
  address   = {Saint-Louis},
  pages     = {8 S. : Ill., graph. Darst.},
  year      = {2001},
  language  = {en}
}
@book{Havermann2000,
  author    = {Havermann, Marc},
  title     = {Laser induced Iodine fluorescence applied to confined supersonic mixing : 10th International Symposium on Applications of Laser Techniques to Fluid Mechanics, Lisbon, Portugal, July 10 - 13, 2000; axe de recherches 0 / Havermann, M. Institut Franco-Allemand de Recherches de Saint-Louis},
  publisher = {ISL},
  address   = {Saint-Louis},
  pages     = {12 S. : Ill., graph. Darst.},
  year      = {2000},
  language  = {de}
}
@book{HavermannSeilerGeorgeetal.2006,
  author    = {Havermann, Marc and Seiler, F. and George, A. and Srulijes, J.},
  title     = {Progress in doppler picture velocimetry (DPV) technique : 12th International Symposium on Flow Visualization, DLR, G{\"o}ttingen, September 10 - 14, 2006 / Institut Franco-Allemand de Recherches de Saint-Louis. Seiler, F. ...},
  publisher = {ISL},
  address   = {Saint-Louis},
  pages     = {10 S. : Ill., graph. Darst.},
  year      = {2006},
  language  = {en}
}
@book{HavermannSeilerGeorgeetal.2004,
  author    = {Havermann, Marc and Seiler, F. and George, A. and Srulijes, J.},
  title     = {Doppler Picture Velovimetry (DPV) applied to high speed shock tunnel flows : 11th International Symposium on Flow Visualization, University of Notre Dame, Notre Dame/IN, USA, August 9 - 12, 2004 / Institut Franco-Allemand de Recherches de Saint-Louis. Seiler, F. ...},
  publisher = {ISL},
  address   = {Saint-Louis},
  year      = {2004},
  language  = {en}
}
@book{Wolf2002,
  author    = {Wolf, Martin},
  title     = {Entwicklung und Evaluation eines Groupware-Systems zur Unterst{\"u}tzung verfahrenstechnischer Entwicklungsprozesse},
  publisher = {Shaker},
  address   = {Aachen},
  isbn      = {3-8322-0629-9},
  pages     = {X, 250 S. : graph. Darst.},
  year      = {2002},
  language  = {de}
}
@book{Pieper2007,
  author    = {Pieper, Martin},
  title     = {Spektralrandintegralmethoden zur Maxwell-Gleichung},
  publisher = {Der Andere Verl.},
  address   = {T{\"o}nning [u.a.]},
  isbn      = {978-3-89959-635-9},
  pages     = {144 S. : graph. Darst.},
  year      = {2007},
  language  = {de}
}
@book{GaiserPichler1996,
  author    = {Gaiser, Lorenz and Pichler, Georg},
  title     = {Lorenz Gaiser - Weg : [... anl{\"a}ßlich der Ausstellung von Lorenz Gaiser im Dezember 1996] / [vom Frankfurter Kunstverein ... hrsg. Text: Georg Pichler]},
  publisher = {Frankfurter Kunstverein},
  address   = {Frankfurt am Main},
  isbn      = {3-928762-67-2},
  pages     = {[30] Bl. : {\"u}berw.. Ill.},
  year      = {1996},
  language  = {de}
}
@book{WosnitzaHilgers2012,
  author    = {Wosnitza, Franz and Hilgers, Hans Gerd},
  title     = {Energieeffizienz und Energiemanagement : ein {\"U}berblick heutiger M{\"o}glichkeiten und Notwendigkeiten},
  publisher = {Springer Spektrum},
  address   = {Wiesbaden},
  isbn      = {978-3-8348-1941-3},
  pages     = {XVII, 548 S. : Ill., graph. Darst.},
  year      = {2012},
  language  = {en}
}
@book{JanserHavermann2012,
  author    = {Janser, Frank and Havermann, Marc},
  title     = {Inkompressible Str{\"o}mungen},
  publisher = {Mainz},
  address   = {Aachen},
  isbn      = {978-3-86130-446-3},
  pages     = {189 S. : Ill., graph. Darst.},
  year      = {2012},
  language  = {en}
}
@book{DavidBenkner1996,
  author    = {David, Klaus and Benkner, Thorsten},
  title     = {Digitale Mobilfunksysteme},
  publisher = {Teubner},
  address   = {Stuttgart},
  pages     = {XIII, 457 S graph. Darst., + 1 Kt.},
  year      = {1996},
  language  = {de}
}
@book{Hoever2013,
  author    = {Hoever, Georg},
  title     = {H{\"o}here Mathematik kompakt},
  publisher = {Springer},
  address   = {Berlin},
  isbn      = {978-3-642-30334-0},
  pages     = {X, 245 S.},
  year      = {2013},
  language  = {de}
}
@book{Hoever2013,
  author    = {Hoever, Georg},
  title     = {Arbeitsbuch h{\"o}here Mathematik : Aufgaben mit vollst{\"a}ndig durchgerechneten L{\"o}sungen},
  publisher = {Springer},
  address   = {Berlin},
  isbn      = {978-3-642-30336-4},
  pages     = {XII, 524 S.},
  year      = {2013},
  language  = {de}
}
@book{GuempelArltDoerenetal.2001,
  author    = {G{\"u}mpel, Paul and Arlt, Norbert and D{\"o}ren, Horst-Peter and Heimann, Winfried and Kiesheyer, Heinrich and Schmitz, Karl W. and Uhlig, Georg},
  title     = {Rostfreie St{\"a}hle : Grundwissen, Konstruktions- und Verarbeitungshinweise. 3. Aufl. Kontakt \& Studium. Bd. 493},
  publisher = {expert Verl.},
  address   = {Renningen},
  isbn      = {3-8169-1735-6},
  pages     = {264 S. : Ill., graph. Darst.},
  year      = {2001},
  language  = {de}
}
@book{BergGaulHagedoornetal.1984,
  author    = {Berg, G. and Gaul, G. and Hagedoorn, H. and Hardt, Arno and Heide, J. A. van der and Hinterberger, F. and Huber, Max and Jahn, R. and Martin, S. and Mayer-Kuckuk, T. and Osterfeld, F. and Paetz gen. Schieck, H. and Prasuhn, D. and Riepe, G. and Rogge, M. and Rossen, P. von and Schult, O. W. B. and Speth, J. and Turek, P.},
  title     = {Studie zum Bau eines kombinierten K{\"u}hler-Synchrotron-Rings an der KFA J{\"u}lich: COSY-Studie. Spezielle Berichte der Kernforschungsanlage J{\"u}lich. Nr. 0242. J{\"u}l-Spez-242},
  publisher = {Kernforschungsanlage},
  address   = {J{\"u}lich},
  pages     = {65 S.},
  year      = {1984},
  language  = {de}
}
@book{GuempelArltDoerenetal.2000,
  author    = {G{\"u}mpel, Paul and Arlt, Norbert and D{\"o}ren, Horst-Peter and Heimann, Winfried and Kiesheyer, H. and Schmitz, Karl W. and Uhlig, Georg},
  title     = {Rostfreie St{\"a}hle. Grundwissen, Konstruktions- und Verarbeitungsweise = Stainless steels. 2., aktualis. Aufl. Kontakt \& Studium. Bd. 493},
  publisher = {Expert-Verl.},
  address   = {Renningen},
  isbn      = {3-8169-1735-6},
  pages     = {264 S.: Ill., graph. Darst.},
  year      = {2000},
  language  = {de}
}
@book{GuempelArltDoerenetal.1996,
  author    = {G{\"u}mpel, Paul and Arlt, Norbert and D{\"o}ren, Horst-Peter and Heimann, Winfried and Kiesheyer, H. and Schmitz, Karl W. and Uhlig, Georg},
  title     = {Rostfreie St{\"a}hle. Grundwissen, Konstruktions- und Verarbeitungsweise = Stainless steels. Kontakt \& Studium. Bd. 493},
  publisher = {Expert-Verl.},
  address   = {Renningen},
  isbn      = {3-8169-1080-7},
  pages     = {265 S.: Ill., graph. Darst.},
  year      = {1996},
  language  = {de}
}
@book{GuempelDoerenGebeletal.2008,
  author    = {G{\"u}mpel, Paul and D{\"o}ren, Horst-Peter and Gebel, Wolfgang and Heimann, Winfried and Morath, Rudolf and Schmitz, Karl W. and Uhlig, Georg},
  title     = {Rostfreie St{\"a}hle. Grundwissen, Konstruktions- und Verarbeitungsweise = Stainless steels. 4., v{\"o}llig neu bearb. Aufl. Kontakt \& Studium ; Bd. 493},
  publisher = {Expert-Verl.},
  address   = {Renningen},
  isbn      = {978-3-8169-2689-4},
  pages     = {244 S.: Ill., graph. Darst.},
  year      = {2008},
  language  = {de}
}
@book{MeinhardtKernKauffmannetal.2010,
  author    = {Meinhardt, Stefan and Kern, Christian and Kauffmann, Kristian and Jahraus, Jochen and Lindemann, Markus},
  title     = {Innovative Gestaltung von Gesch{\"a}ftsprozessen in der Konsumg{\"u}terindustrie : Marktumfeld - Herausforderungen - Vorgehensmodell - Praxisbeispiele - Handlungsempfehlungen / [SAP Consulting] Stefan Meinhardt ... Unter Mitarb. von ... Markus A. Lindemann ...},
  publisher = {dpunkt-Verl.},
  address   = {Heidelberg},
  isbn      = {978-3-89864-527-0},
  pages     = {XIV; 232 S. : graph. Darst.},
  year      = {2010},
  language  = {de}
}
@book{Braun2007,
  author    = {Braun, Carsten},
  title     = {Ein modulares Verfahren f{\"u}r die numerische aeroelastische Analyse von Luftfahrzeugen},
  pages     = {VI, 199 S.},
  year      = {2007},
  abstract  = {Aachen, Techn. Hochschule, Diss., 2007},
  language  = {de}
}
@book{GrueneLindemannLockemannetal.2009,
  author    = {Gr{\"u}ne, Guido and Lindemann, Markus and Lockemann, Stephanie A. and Meinhardt, Stefan},
  title     = {Innovative Gestaltung von Gesch{\"a}ftsprozessen in der Prozessindustrie / [SAP Consulting]},
  publisher = {dpunkt.Verl.},
  address   = {Heidelberg},
  isbn      = {978-3-89864-526-3},
  pages     = {XI, 188 S.},
  year      = {2009},
  language  = {de}
}
@book{HackLindemann2008,
  author    = {Hack, Stefan and Lindemann, Markus},
  title     = {Enterprise SOA Roadmap},
  publisher = {Galileo Pr.},
  address   = {Bonn},
  isbn      = {1-59229-162-7},
  pages     = {417 S. : Ill., graph. Darst.},
  year      = {2008},
  language  = {en}
}
@book{HackLindemann2007,
  author    = {Hack, Stefan and Lindemann, Markus},
  title     = {Enterprise SOA einf{\"u}hren},
  publisher = {Galileo Pr.},
  address   = {Bonn},
  isbn      = {978-3-89842-858-3},
  pages     = {443 S. : Ill., graph. Darst.},
  year      = {2007},
  language  = {de}
}
@book{Lindemann2000,
  author    = {Lindemann, Markus},
  title     = {Struktur und Effizienz elektronischer M{\"a}rkte : ein Ansatz zur Referenzmodellierung und Bewertung elektronischer Marktgemeinschaften und Marktdienste},
  publisher = {Eul Verl.},
  address   = {Lohmar},
  pages     = {LI, 212 S. : graph. Darst.},
  year      = {2000},
  language  = {de}
}
@book{HoffmannLindemann1998,
  author    = {Hoffmann, Christoph P. and Lindemann, Markus},
  title     = {Logistik und Electronic Commerce - LogEC : Arbeitsbericht},
  publisher = {mcm Inst.},
  address   = {St. Gallen},
  isbn      = {3-906979-00-8},
  pages     = {XX, 161 S. : graph. Darst.},
  year      = {1998},
  language  = {de}
}
@book{LinkeHaertschHoffmannetal.1997,
  author    = {Linke, David-Michael and Haertsch, P. and Hoffmann, C. P. and Lindemann, Markus},
  title     = {Integrierte Electronic Commerce Systeme - Auswahlkriterien und Evaluation aktueller Produktangebote. Bericht BusinessMedia. 58},
  publisher = {Inst. f{\"u}r Wirtschaftsinformatik},
  address   = {St. Gallen},
  pages     = {VII, 94 S. : graph. Darst.},
  year      = {1997},
  language  = {de}
}
@book{LindemannKlein1996,
  author    = {Lindemann, Markus and Klein, Stefan},
  title     = {Die Nutzung von Internet-Diensten im Rahmen des Elektronischen Datenaustauschs - Architekturvarianten und ein Anwendungsszenario. Arbeitsbericht. Bericht-Nr. IM HSG/CCEM/40},
  publisher = {Inst. f{\"u}r Wirtschaftsinformatik},
  address   = {St. Gallen},
  pages     = {22 S : graph. Darst.},
  year      = {1996},
  language  = {de}
}
@book{Lindemann1996,
  author    = {Lindemann, Markus},
  title     = {Internet-Dienste f{\"u}r den Elektronischen Datenaustausch (EDI) - Anwendungsbeispiele aus technischer Sicht. : Anwendungsbeispiele aus technischer Sicht. Bericht-Nr. IM HSG/CCEM/34},
  publisher = {Inst. f{\"u}r Wirtschaftsinformatik},
  address   = {St. Gallen},
  pages     = {IV, 40 S., S. V - VII : graph. Darst.},
  year      = {1996},
  language  = {de}
}
@book{Mueller2010,
  author    = {M{\"u}ller, Karsten},
  title     = {Bedarfsorientierte Instandhaltung von Kanalisationen},
  publisher = {IRB Verl.},
  address   = {Stuttgart},
  isbn      = {978-3-8167-8060-1},
  pages     = {123 S. : Ill., graph. Darst., Kt.},
  year      = {2010},
  language  = {de}
}
@book{BochmannRitz2013,
  author    = {Bochmann, Sandra and Ritz, Thomas},
  title     = {Prototyping tools for mobile applications},
  publisher = {Steinbeis-Ed.},
  address   = {Stuttgart},
  isbn      = {978-3-943356-45-8},
  pages     = {234 S. : Ill., graph. Darst.},
  year      = {2013},
  language  = {en}
}
@book{Meliss1993,
  author    = {Meliß, Michael},
  title     = {Erneuerbare Energien verst{\"a}rkt nutzen!},
  publisher = {Bundesministerium f{\"u}r Wirtschaft},
  address   = {Bonn},
  pages     = {132 S. : Ill., graph. Darst.},
  year      = {1993},
  language  = {de}
}
@book{Meliss1994,
  author    = {Meliß, Michael},
  title     = {Erneuerbare Energien verst{\"a}rkt nutzen! 2. Aufl.},
  publisher = {Bundesministerium f{\"u}r Wirtschaft},
  address   = {Bonn},
  pages     = {132 S. : Ill., graph. Darst.},
  year      = {1994},
  language  = {de}
}
@book{Meliss1995,
  author    = {Meliß, Michael},
  title     = {Erneuerbare Energien verst{\"a}rkt nutzen! 3. Aufl.},
  publisher = {Bundesministerium f{\"u}r Wirtschaft},
  address   = {Bonn},
  pages     = {132 S. : Ill., graph. Darst.},
  year      = {1995},
  language  = {de}
}
@book{KleemannMeliss1993,
  author    = {Kleemann, Manfred and Meliß, Michael},
  title     = {Regenerative Energiequellen. 2., v{\"o}llig neu bearb. Aufl.},
  publisher = {Springer},
  address   = {Berlin [u.a.]},
  isbn      = {3-540-55085-2},
  pages     = {XXIII, 315 S. : Ill., graph. Darst., Kt},
  year      = {1993},
  language  = {de}
}
@book{Gartzen2013,
  author    = {Gartzen, Johannes},
  title     = {Innovation durch Kooperation : wie der Mittelstand durch Zusammenarbeit mit den Hochschulen seine Wettbewerbsf{\"a}higkeit steigert : Festschrift f{\"u}r Prof. Dr. rer. nat. Johannes Gartzen},
  publisher = {Apprimus Verl.},
  address   = {Aachen},
  isbn      = {978-3-86359-136-6},
  pages     = {III, 188 S. : Ill.},
  year      = {2013},
  language  = {de}
}
@book{Mueller2006,
  author    = {M{\"u}ller, Karsten},
  title     = {Strategien zur Zustandserfassung von Kanalisationen. Aachener Schriften zur Stadtentw{\"a}sserung. Bd 7},
  publisher = {Ges. zur F{\"o}rderung der Siedlungswasserwirtschaft an der RWTH Aachen},
  address   = {Aachen},
  isbn      = {978-3-938996-00-3},
  pages     = {IX, 178, 7 S. : Ill., graph. Darst.},
  year      = {2006},
  language  = {de}
}
@book{Meliss1997,
  author    = {Meliß, Michael},
  title     = {Regenerative Energiequellen. Praktikum / ed. Michael Meliß},
  publisher = {Springer},
  address   = {Berlin [u.a.]},
  isbn      = {3-540-63218-2},
  pages     = {XXI, 149 S graph. Darst., Kt},
  year      = {1997},
  language  = {de}
}
@book{Armgardt2012,
  author    = {Armgardt, Jan},
  title     = {Ich mache (m)ein Ding : M{\"o}bel-Unikate},
  publisher = {[Selbstverl.]},
  address   = {[s.l.]},
  isbn      = {978-3-00-039169-9},
  pages     = {223 S. : {\"u}berw. Ill.},
  year      = {2012},
  language  = {de}
}
@book{AnthrakidisJahnRitzetal.2013,
  author    = {Anthrakidis, Anette and Jahn, Roland and Ritz, Thomas and Sch{\"o}ttler, Mirjam and Wallenborn, Ramona and Warmke, Gisela},
  title     = {Urbanes eCarSharing in einer vernetzten Gesellschaft},
  edition   = {1. Aufl.},
  publisher = {Steinbeis-Edition},
  address   = {Stuttgart},
  isbn      = {978-3-943356-70-0},
  pages     = {148 S. : zahlr. Ill. und graph. Darst.},
  year      = {2013},
  language  = {de}
}
@book{HeltemesRoeslerZitteletal.1992,
  author    = {Heltemes, Stefan and R{\"o}sler, Rolf and Zittel, Walter and Meliß, Michael},
  title     = {Externe Effekte regenerativer Energiesysteme : Externe Effekte bei einem umfassenden System einer Photovoltaikwirtschaft. - (Prognos-Schriftenreihe "Identifizierung und Internalisierung externer Kosten der Energieversorgung". 3)},
  publisher = {Prognos AG},
  address   = {Basel},
  pages     = {88, 59, 26 S. : graph. Darst.},
  year      = {1992},
  language  = {de}
}
@book{Meliss1999,
  author    = {Meliß, Michael},
  title     = {REGLOB 99 : Globale Betrachtung regenerativer Energieressourcen und ihrer technischen Nutzungsm{\"o}glichkeiten},
  publisher = {Solar-Institut},
  address   = {J{\"u}lich},
  year      = {1999},
  language  = {de}
}
@book{BansalKleemannMeliss1990,
  author    = {Bansal, Narenda K. and Kleemann, Manfred and Meliß, Michael},
  title     = {Renewable energy sources and conversion technology},
  publisher = {Tata McGraw-Hill},
  address   = {New Delhi [u.a.]},
  isbn      = {0-07-460023-0},
  pages     = {XI, 454 S. Ill., graph. Darst.},
  year      = {1990},
  language  = {en}
}