@article{KleinesErkiZiemonsetal.1997,
  author    = {Kleines, H. and Erki, I. and Ziemons, Karl and Zwoll, K.},
  title     = {ATM- und Multimedia Pilotsystem im Rahmen des Projektes M-FIBRe Aufbau und Erfahrungen},
  series = {Bildverarbeitung f{\"u}r die Medizin : Algorithmen - Systeme - Anwendungen},
  journal   = {Bildverarbeitung f{\"u}r die Medizin : Algorithmen - Systeme - Anwendungen},
  editor    = {Lehmann, Thomas},
  publisher = {Verl. der. Augustinus-Buchh.},
  address   = {Aachen},
  isbn      = {3-86073-519-5},
  pages     = {241 -- 248},
  year      = {1997},
  language  = {de}
}
@article{ZiemonsKleinesErkenetal.1997,
  author    = {Ziemons, Karl and Kleines, H. and Erken, I. and Knoben, J. and Zwoll, K.},
  title     = {IME-DV Projekt: M-FIRBe, Multi-Modality Functional Imaging for Brain Research},
  series = {Bildverarbeitung f{\"u}r die Medizin : Algorithmen - Systeme - Anwendungen},
  journal   = {Bildverarbeitung f{\"u}r die Medizin : Algorithmen - Systeme - Anwendungen},
  editor    = {Lehmann, Thomas},
  publisher = {Verl. der. Augustinus-Buchh.},
  address   = {Aachen},
  isbn      = {3-86073-519-5},
  pages     = {363 -- 366},
  year      = {1997},
  language  = {de}
}
@article{Jochim2012,
  author    = {Jochim, Haldor E.},
  title     = {Die Ostheidebahn - eine Alternative zur Y-Trasse},
  series = {ETR - Eisenbahntechnische Rundschau},
  volume    = {61},
  journal   = {ETR - Eisenbahntechnische Rundschau},
  number    = {11},
  publisher = {DVV Media Group},
  address   = {Hamburg},
  issn      = {0013-2845},
  pages     = {34 -- 37},
  year      = {2012},
  language  = {de}
}
@inproceedings{KowalskiBugnion2009,
  author    = {Kowalski, Julia and Bugnion, Louis},
  title     = {An extended shallow flow theory for natural debris flows},
  volume    = {41},
  number    = {7},
  pages     = {609 -- 609},
  year      = {2009},
  language  = {de}
}
@misc{Kowalski2004,
  author    = {Kowalski, Julia},
  title     = {Dynamics of Granular Material Avalanches and Numerical Approximations of Savage-Hutter Models},
  year      = {2004},
  language  = {de}
}
@article{Kowalski2008,
  author    = {Kowalski, Julia},
  title     = {Mathematische Murgangmodellierung},
  series = {Newsletter Naturgefahren},
  volume    = {2008},
  journal   = {Newsletter Naturgefahren},
  number    = {2},
  organization    = {Eidgen{\"o}ssisches Institut f{\"u}r Schnee-und Lawinenforschung SLF},
  pages     = {4 -- 5},
  year      = {2008},
  language  = {de}
}
@misc{Kowalski2010,
  type      = {Master Thesis},
  author    = {Kowalski, Julia},
  title     = {Streamline estimation from sparsely sampled q-space Magnetic Resonance data},
  year      = {2010},
  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{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}
}
@inproceedings{KnoblochKowalskiBoesigeretal.2011,
  author    = {Knobloch, V. and Kowalski, Julia and B{\"o}siger, P. and Kozerke, S.},
  title     = {Probabilistic Streamline Estimation from Accelerated Fourier Velocity Encoded Measurements},
  series = {Proceedings of the 19th ISMRM International Society for Magnetic Resonance in Medicine},
  booktitle = {Proceedings of the 19th ISMRM International Society for Magnetic Resonance in Medicine},
  pages     = {1215 -- 1215},
  year      = {2011},
  language  = {de}
}
@article{Fabo2010,
  author    = {Fabo, Sabine},
  title     = {Sisyphus wird Steiff},
  series = {Pr{\"a}dikat spießig (Boxhorn ; 21)},
  volume    = {2010},
  journal   = {Pr{\"a}dikat spießig (Boxhorn ; 21)},
  editor    = {Mohr, Klaus},
  publisher = {FH Aachen, Fachbereich Gestaltung},
  address   = {Aachen},
  issn      = {1864-2535},
  pages     = {58 -- 61},
  year      = {2010},
  abstract  = {Eine Reise durch die fremde Welt eines Kaufhaus-Schaufensters. Pl{\"u}schtiere mit eingebauter Bewegungstechnik - knuffig oder nur eine Ausformulierung des Ernst des Lebens?},
  language  = {de}
}
@article{Fabo2009,
  author    = {Fabo, Sabine},
  title     = {Chicks off speed},
  series = {hello! (Boxhorn ; 19)},
  volume    = {2009},
  journal   = {hello! (Boxhorn ; 19)},
  publisher = {FH Aachen, Fachbereich Gestaltung},
  address   = {Aachen},
  issn      = {1864-2535},
  pages     = {19 -- 21},
  year      = {2009},
  subject      = {H{\"u}hnerzucht},
  language  = {de}
}
@incollection{Fabo2011,
  author    = {Fabo, Sabine},
  title     = {Vom tieferen Sinn der Maschen},
  series = {A hands-on guide to Fan Scarf Remix ; sample, remix and reknit your own fan scarf message ; Schalalala! ; Version 1.0 ; [Postscript zur Ausstellung CRAFTWERK 2.0. - New Household Tactics for the Popular Crafts, 09/2009-03/2010, J{\"o}nk{\"o}ping County Museum, Sweden]},
  booktitle = {A hands-on guide to Fan Scarf Remix ; sample, remix and reknit your own fan scarf message ; Schalalala! ; Version 1.0 ; [Postscript zur Ausstellung CRAFTWERK 2.0. - New Household Tactics for the Popular Crafts, 09/2009-03/2010, J{\"o}nk{\"o}ping County Museum, Sweden]},
  number    = {(Edition Txet ; 1)},
  editor    = {Schl{\"o}mer, R{\"u}diger},
  publisher = {Eigenverl. des Hrsg.},
  address   = {Berlin},
  pages     = {52},
  year      = {2011},
  subject      = {Meinungs{\"a}ußerung},
  language  = {de}
}
@article{Fabo2008,
  author    = {Fabo, Sabine},
  title     = {Neue Arten - im Biokosmos des Wahrscheinlichen},
  series = {Neue Arten},
  journal   = {Neue Arten},
  editor    = {Prohaska, Steffi},
  pages     = {4 -- 7},
  year      = {2008},
  abstract  = {Vorwort zu einer Fotoserie, die im Rahmen einer Diplomarbeit (Studierende: Steffi Prohaska, Betreuer: Prof. Wilhelm Sch{\"u}rmann, SS 2008) entstand.},
  subject      = {Photographie},
  language  = {de}
}
@incollection{Fabo2008,
  author    = {Fabo, Sabine},
  title     = {Parasit{\"a}re Strategien},
  series = {Konsumguerilla : Widerstand gegen Massenkultur?},
  booktitle = {Konsumguerilla : Widerstand gegen Massenkultur?},
  editor    = {Richard, Birgit},
  publisher = {Campus Verlag},
  address   = {Frankfurt [u.a.]},
  isbn      = {978-3-593-38762-8},
  pages     = {69 -- 82},
  year      = {2008},
  subject      = {Konsumgesellschaft},
  language  = {de}
}
@incollection{Fabo2011,
  author    = {Fabo, Sabine},
  title     = {Somewhere over the rainbow - Licht und Bewegung als Erweiterung der Raumerfahrung},
  series = {Mack - Kinetik, kinetics : [anl{\"a}sslich der Ausstellung 'Mack. Kinetik', Museum Abteiberg, M{\"o}nchengladbach, 4. April - 25. September 2011]},
  booktitle = {Mack - Kinetik, kinetics : [anl{\"a}sslich der Ausstellung 'Mack. Kinetik', Museum Abteiberg, M{\"o}nchengladbach, 4. April - 25. September 2011]},
  editor    = {Titz, Susanne},
  publisher = {Richter Verlag},
  address   = {D{\"u}sseldorf},
  isbn      = {978-3-941263-36-9},
  pages     = {40 -- 50},
  year      = {2011},
  subject      = {Kinetische Kunst},
  language  = {de}
}
@article{VerbanellaFabo2012,
  author    = {Verbanella, Stresa and Fabo, Sabine},
  title     = {Mit Pinsel und Farbe hacken : Interview mit Sabine Fabo},
  series = {Remotewords.net},
  journal   = {Remotewords.net},
  year      = {2012},
  abstract  = {Remotewords makes its mark on the picturesque "Bar Verbanella", located in Stresa near Isola Bella on Lago Maggiore. The words CUM GRANO SALIS (with a grain of salt) by Sabine Fabo, art theorist on media contexts, were applied to its roof in collaboration with the German-Italian art organization "Lo spirito del Lago".},
  language  = {de}
}
@incollection{Fabo2011,
  author    = {Fabo, Sabine},
  title     = {REMOTEWORDS - in Erwartung des großen Beobachters},
  series = {Hacking the city : Interventionen in urbanen und kommunikativen R{\"a}umen ; Museum Folkwang, [16. Juli - 26. September 2010]},
  booktitle = {Hacking the city : Interventionen in urbanen und kommunikativen R{\"a}umen ; Museum Folkwang, [16. Juli - 26. September 2010]},
  editor    = {Schmidt, Sabine Maria},
  publisher = {Steidl ; Edition Folkwang},
  address   = {G{\"o}ttingen [u.a.]},
  isbn      = {978-3-86930-187-7},
  pages     = {130 -- 133},
  year      = {2011},
  subject      = {Streetart},
  language  = {de}
}
@article{Mayer2011,
  author    = {Mayer, Claudia},
  title     = {Das globale Dorf ist sein bekanntes Schlagwort},
  series = {Aachener Nachrichten},
  journal   = {Aachener Nachrichten},
  number    = {27.12.2011},
  pages     = {12 -- 12},
  year      = {2011},
  language  = {de}
}
@inproceedings{Staat2012,
  author    = {Staat, Manfred},
  title     = {Limit and shakedown analysis under uncertainty},
  series = {Proceedings International Conference on Advances in Computational Mechanics (ACOME)},
  booktitle = {Proceedings International Conference on Advances in Computational Mechanics (ACOME)},
  pages     = {837 -- 861},
  year      = {2012},
  language  = {de}
}
@incollection{Fabo2012,
  author    = {Fabo, Sabine},
  title     = {Gef{\"a}hrliche Liebschaften : Kunst zwischen Widerstand und Umarmung},
  series = {Interventionen : Grenz{\"u}berschreitungen in {\"A}sthetik, Politik und {\"O}konomie},
  booktitle = {Interventionen : Grenz{\"u}berschreitungen in {\"A}sthetik, Politik und {\"O}konomie},
  editor    = {Hartmann, Doreen},
  publisher = {Fink},
  address   = {M{\"u}nchen},
  isbn      = {978-3-7705-5283-2},
  pages     = {173 -- 189},
  year      = {2012},
  language  = {de}
}
@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{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{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}
}
@article{SchneiderSchneider2012,
  author    = {Schneider, Bettina and Schneider, Wilhelm},
  title     = {Grundlagen der Unternehmensbesteuerung},
  series = {Das Wirtschaftsstudium : wisu ; Zeitschrift f{\"u}r Ausbildung, Examen, Berufseinstieg und Fortbildung},
  volume    = {41},
  journal   = {Das Wirtschaftsstudium : wisu ; Zeitschrift f{\"u}r Ausbildung, Examen, Berufseinstieg und Fortbildung},
  number    = {10},
  publisher = {Lange},
  address   = {D{\"u}sseldorf},
  issn      = {0340-3084},
  pages     = {1312 -- 1318},
  year      = {2012},
  language  = {de}
}
@article{SchubaHoefken2012,
  author    = {Schuba, Marko and H{\"o}fken, Hans},
  title     = {Backtrack5: Datensammlung und Reporterstellung f{\"u}r Pentester mit MagicTree / H{\"o}fken, Hans ; Schuba, Marko},
  series = {Hakin9. 73 (2012), H. 3},
  journal   = {Hakin9. 73 (2012), H. 3},
  publisher = {-},
  isbn      = {1733-7186},
  pages     = {12 -- 16},
  year      = {2012},
  language  = {de}
}
@article{Timme2012,
  author    = {Timme, Michael},
  title     = {Die Reichweite der "werdenden" Wohnungseigent{\"u}mergemeinschaft gegen{\"u}ber dem Zweiterwerb},
  series = {Monatsschrift f{\"u}r Deutsches Recht : MdR},
  volume    = {2012},
  journal   = {Monatsschrift f{\"u}r Deutsches Recht : MdR},
  number    = {18},
  publisher = {Verlag Dr. Otto Schmidt},
  address   = {K{\"o}ln},
  issn      = {0340-1812},
  doi       = {10.9785/ovs-mdtr-2012-1069},
  pages     = {1068 -- 1071},
  year      = {2012},
  abstract  = {Mit einer aktuellen Entscheidung hat der BGH, Urt. v. 11.5.2012 - V ZR 196/11, MDR 2012, 958 seine Rechtsprechung v. 5.6.2008 - V ZB 85/07 zur Entstehungsphase einer Wohnungseigent{\"u}mergemeinschaft fortgef{\"u}hrt. In dieser Entscheidung sieht der BGH die Erwerber von Wohnungseigentum als Kostenschuldner gem. \S 16 Abs. 2 WEG an, obwohl diese noch nicht im Grundbuch eingetragen sind. Eine andere Rechtslage besteht beim sog. Zweiterwerb. Die Abgrenzung von Erstund Zweierwerb ist aufgrund der v{\"o}llig unterschiedlichen Rechtsfolgen f{\"u}r die Praxis von großer Bedeutung.},
  language  = {de}
}
@book{Timme2012,
  author    = {Timme, Michael},
  title     = {BGB Crashkurs : der sichere Weg durch die Pr{\"u}fung ; [Fall f{\"u}r Fall durch das Privatrecht]. - 2. Aufl.},
  publisher = {Beck},
  address   = {M{\"u}nchen},
  isbn      = {978-3-406-63681-3},
  pages     = {160 S.},
  year      = {2012},
  language  = {de}
}
@article{Grotendorst2012,
  author    = {Grotendorst, Johannes},
  title     = {Supercomputer programmieren - ein besonderes Studienangebot in J{\"u}lich},
  series = {Junge Wissenschaft. 27 (2012), H. 94},
  journal   = {Junge Wissenschaft. 27 (2012), H. 94},
  publisher = {-},
  isbn      = {0179-8529},
  pages     = {12 -- 14},
  year      = {2012},
  language  = {de}
}
@book{Timme2012,
  author    = {Timme, Michael},
  title     = {HGB Crashkurs : der sichere Weg durch die Pr{\"u}fung ; [Gesellschafts- und Wirtschaftsrecht]},
  publisher = {Beck},
  address   = {M{\"u}nchen},
  isbn      = {978-3-406-63679-0},
  pages     = {127 S.},
  year      = {2012},
  language  = {de}
}
@book{Pfeiffer1994,
  author    = {Pfeiffer, Johann},
  title     = {Rechnergest{\"u}tzte Auslegung von Seiltrieben - Praxisimplementierung},
  publisher = {Fachhochsch.},
  address   = {Aachen},
  year      = {1994},
  language  = {de}
}
@book{Pfeiffer1993,
  author    = {Pfeiffer, Johann},
  title     = {Rechnergest{\"u}tzte Auslegung von Seiltrieben},
  publisher = {Fachhochsch.},
  address   = {Aachen},
  year      = {1993},
  language  = {de}
}
@article{Pfeiffer2003,
  author    = {Pfeiffer, Johann},
  title     = {Lernfeld 'Prozeßkette der Freiformfl{\"a}chenherstellung' : [Online-Ressource] / ... in Zus.-Arb. mit Johann Pfeiffer},
  series = {NUMAS - Ein Lehr- und Lernsystem zur Numerischen Mathematik und Statistik : [Online-Ressource] / Projektleitung: Gisela Engeln M{\"u}llges},
  journal   = {NUMAS - Ein Lehr- und Lernsystem zur Numerischen Mathematik und Statistik : [Online-Ressource] / Projektleitung: Gisela Engeln M{\"u}llges},
  publisher = {NUMAS.de},
  address   = {Aachen},
  year      = {2003},
  language  = {de}
}
@book{Pfeiffer1997,
  author    = {Pfeiffer, Johann},
  title     = {Design und Herstellen von Werkzeugen mit Freiformfl{\"a}chen},
  publisher = {Fachhochsch.},
  address   = {Aachen},
  year      = {1997},
  language  = {de}
}
@book{Pfeiffer1996,
  author    = {Pfeiffer, Johann},
  title     = {Automatisierung in der Handhabungs- und Montagetechnik},
  publisher = {Fachhochsch.},
  address   = {Aachen},
  year      = {1996},
  language  = {de}
}
@book{Pfeiffer1997,
  author    = {Pfeiffer, Johann},
  title     = {HSP III Koordinatenmessger{\"a}t},
  publisher = {Fachhochsch.},
  address   = {Aachen},
  year      = {1997},
  language  = {de}
}
@book{Pfeiffer2004,
  author    = {Pfeiffer, Johann},
  title     = {Ein Beitrag zur systematischen Beschreibung der Parameter und deren Einfluss auf die Maßgenauigkeit und Oberfl{\"a}chenqualit{\"a}t bei der Erzeugung und Herstellung von Freiformgeometrien : das System CAD/CAM/CAQ - Generieren, Herstellen, Messen},
  publisher = {Fachhochsch.},
  address   = {Aachen},
  year      = {2004},
  language  = {de}
}
@book{Pfeiffer2003,
  author    = {Pfeiffer, Johann},
  title     = {3D-Freiformfl{\"a}chenmessung},
  publisher = {Fachhochsch.},
  address   = {Aachen},
  year      = {2003},
  language  = {de}
}
@book{Pfeiffer2000,
  author    = {Pfeiffer, Johann},
  title     = {Genauigkeit und Qualit{\"a}t von Freiformfl{\"a}chen},
  publisher = {Fachhochsch.},
  address   = {Aachen},
  year      = {2000},
  language  = {de}
}
@book{Pfeiffer1999,
  author    = {Pfeiffer, Johann},
  title     = {Verbesserung der Qualit{\"a}t von Freiformoberfl{\"a}chen},
  publisher = {Fachhochsch.},
  address   = {Aachen},
  year      = {1999},
  language  = {de}
}
@book{PfeifferGauchel2004,
  author    = {Pfeiffer, Johann and Gauchel, Joachim},
  title     = {Kalibrierung Koordinatenmessger{\"a}t},
  publisher = {Fachhochsch.},
  address   = {Aachen},
  year      = {2004},
  language  = {de}
}
@article{Pfeiffer2004,
  author    = {Pfeiffer, Johann},
  title     = {Genauigkeit und Qualit{\"a}t von Freiformfl{\"a}chen / Projektleiter: Joachim Gauchel},
  series = {Forschungsbericht 2004 / Hrsg.: Der Rektor der Fachhochschule Aachen},
  journal   = {Forschungsbericht 2004 / Hrsg.: Der Rektor der Fachhochschule Aachen},
  publisher = {Fachhochsch.},
  address   = {Aachen},
  pages     = {180},
  year      = {2004},
  language  = {de}
}
@article{Pfeiffer2002,
  author    = {Pfeiffer, Johann},
  title     = {Gute Chancen im Maschinenbau},
  series = {Rheinische Post : Sonderbeil. (2002)},
  journal   = {Rheinische Post : Sonderbeil. (2002)},
  year      = {2002},
  language  = {de}
}
@article{PfeifferGauchelLuecke1999,
  author    = {Pfeiffer, Johann and Gauchel, Joachim and L{\"u}cke, Mathias},
  title     = {Genauigkeitsbetrachtungen in der CIM-Prozesskette},
  series = {4th International Scientific Colloquium CAx Techniques : proceedings of the 4th international scientific colloquium, Fachhochschule Bielefeld, Germany, September 13 - 15, 1999 / [organized in co-operation between Fachhochschule Bielefeld and Rzesz{\´o}w University of Technology ]. Ed. by Heinrich Ostholt},
  journal   = {4th International Scientific Colloquium CAx Techniques : proceedings of the 4th international scientific colloquium, Fachhochschule Bielefeld, Germany, September 13 - 15, 1999 / [organized in co-operation between Fachhochschule Bielefeld and Rzesz{\´o}w University of Technology ]. Ed. by Heinrich Ostholt},
  publisher = {[Fachhochsch.]},
  address   = {[Bielefeld]},
  isbn      = {3-00-004379-9},
  pages     = {323 -- 332},
  year      = {1999},
  language  = {de}
}
@article{Pfeiffer2002,
  author    = {Pfeiffer, Johann},
  title     = {Chancen im Maschinenbau},
  series = {Fachblatt : Journal der Fachhochschule Aachen . 2002 (2002), H. 1},
  journal   = {Fachblatt : Journal der Fachhochschule Aachen . 2002 (2002), H. 1},
  publisher = {-},
  pages     = {2},
  year      = {2002},
  language  = {de}
}
@article{PfeifferGauchel1997,
  author    = {Pfeiffer, Johann and Gauchel, Joachim},
  title     = {Entwicklung und Simulation von Mechanismen zu Automatisierungszwecken / Joachim Gauchel ; Johann Pfeiffer},
  series = {CAE Techniques : [proceedings of the 3st International Scientific Colloquium, Rzesz{\´o}w University of Technology, Poland, September 24-27, 1997] / ed. by Kazimierz E. Oczoś},
  journal   = {CAE Techniques : [proceedings of the 3st International Scientific Colloquium, Rzesz{\´o}w University of Technology, Poland, September 24-27, 1997] / ed. by Kazimierz E. Oczoś},
  publisher = {Politechnika Rzeszowska},
  address   = {Rzesz{\´o}w},
  isbn      = {83-7199-004-9},
  pages     = {425 ff},
  year      = {1997},
  language  = {de}
}
@book{PfeifferKnepper1999,
  author    = {Pfeiffer, Johann and Knepper, Ludger},
  title     = {Diplom-Ingenieur/Diplom-Ingenieurin (Fachhochschule) Maschinenbau Energie- und W{\"a}rmetechnik},
  publisher = {Bertelsmann},
  address   = {Bielefeld},
  pages     = {Losebl.-Ausg.},
  year      = {1999},
  language  = {de}
}
@article{Pfeiffer2002,
  author    = {Pfeiffer, Johann},
  title     = {Gute Chancen im Maschinenbau},
  series = {Aachener Nachrichten / Aachener Zeitung : Sonderbeil. (2002)},
  journal   = {Aachener Nachrichten / Aachener Zeitung : Sonderbeil. (2002)},
  publisher = {-},
  year      = {2002},
  language  = {de}
}
@book{PfeifferKnepper1995,
  author    = {Pfeiffer, Johann and Knepper, Ludger},
  title     = {Diplom-Ingenieur/Diplom-Ingenieurin ( Fachhochschule ) Maschinenbau - Allgemeiner Maschinenbau},
  publisher = {Bertelsmann},
  address   = {Bielefeld},
  pages     = {Losebl.-Ausg.},
  year      = {1995},
  language  = {de}
}
@book{PfeifferKnepper1998,
  author    = {Pfeiffer, Johann and Knepper, Ludger},
  title     = {Diplom Ingenieur/Diplom Ingenieurin (Fachhochschule) Maschinenbau Konstruktionstechnik},
  publisher = {Bertelsmann},
  address   = {Bielefeld},
  pages     = {Losebl.-Ausg.},
  year      = {1998},
  language  = {de}
}