@article{StaatHeitzer2000,
  author    = {Staat, Manfred and Heitzer, M.},
  title     = {Direct FEM approach to design-by-analysis of pressurized components},
  series = {Achema 2000 : Sonderausgabe / Linde. [Hrsg.: Linde AG. Red.: Volker R. Leski]},
  journal   = {Achema 2000 : Sonderausgabe / Linde. [Hrsg.: Linde AG. Red.: Volker R. Leski]},
  publisher = {Linde AG},
  address   = {Wiesbaden},
  pages     = {79 -- 81},
  year      = {2000},
  language  = {de}
}
@article{PoghossianThustSchoeningetal.2000,
  author    = {Poghossian, Arshak and Thust, M. and Sch{\"o}ning, Michael Josef and M{\"u}ller-Veggian, Mattea and Kordos, P. and L{\"u}th, H.},
  title     = {Cross-sensitivity of a capacitive penicillin sensor combined with a diffusion barrier},
  series = {Sensors and Actuators B. 68 (2000), H. 1-3},
  journal   = {Sensors and Actuators B. 68 (2000), H. 1-3},
  isbn      = {0925-4005},
  pages     = {260 -- 265},
  year      = {2000},
  language  = {en}
}
@book{Laack2000,
  author    = {Laack, Walter van},
  title     = {Pl{\"a}doyer f{\"u}r ein Leben nach dem Tod und eine etwas andere Sicht der Welt},
  edition   = {2., komplett {\"u}berarb. Aufl.},
  publisher = {van Laack},
  address   = {Aachen},
  isbn      = {978-3-89811-818-7},
  pages     = {447 S. : graph. Darst.},
  year      = {2000},
  language  = {de}
}
@article{StaatHeitzer2000,
  author    = {Staat, Manfred and Heitzer, M.},
  title     = {Traglastanalyse - ein strukturmechanisches Verfahren zur Beurteilung von gerissenen Bauteilen und Verbindungen},
  series = {Festigkeits- und Bruchverhalten von F{\"u}geverbindungen : 32. Tagung des DVM-Arbeitskreises Bruchvorg{\"a}nge ; 22. und 23. Februar 2000 in Berlin / Richard, H. A. [Hrsg]},
  journal   = {Festigkeits- und Bruchverhalten von F{\"u}geverbindungen : 32. Tagung des DVM-Arbeitskreises Bruchvorg{\"a}nge ; 22. und 23. Februar 2000 in Berlin / Richard, H. A. [Hrsg]},
  publisher = {Deutscher Verband f{\"u}r Materialforschung und -pr{\"u}fung},
  address   = {Berlin},
  pages     = {183 -- 192},
  year      = {2000},
  language  = {de}
}
@article{Weigand2000,
  author    = {Weigand, Christoph},
  title     = {Economically Optimal Adaptive Inspection Policies},
  series = {Economic Quality Control. 15 (2000), H. 1/2},
  journal   = {Economic Quality Control. 15 (2000), H. 1/2},
  isbn      = {0940-5151},
  pages     = {55 -- 77},
  year      = {2000},
  language  = {en}
}
@article{Ritz2000,
  author    = {Ritz, Thomas},
  title     = {Personalized information services : an electronic information commodity and its production},
  series = {International Journal of E-Business Strategy Management},
  volume    = {2},
  journal   = {International Journal of E-Business Strategy Management},
  number    = {2},
  issn      = {1467-0305},
  year      = {2000},
  language  = {en}
}
@misc{Fabo2000,
  author    = {Fabo, Sabine},
  title     = {Analog - digital - ein neuer Bilderstreit? ; [Buchbesprechung] Yvonne Spielmann, Gundolf Winter (Hrsg.): Bild - Medium - Kunst},
  series = {Kunstforum international},
  volume    = {2000},
  journal   = {Kunstforum international},
  number    = {150},
  isbn      = {0177-3674},
  pages     = {495 -- 496},
  year      = {2000},
  language  = {de}
}
@article{GerigkMaassTakorsetal.2000,
  author    = {Gerigk, M. and Maaß, D. and Takors, Ralf and Kreutzer, A. and Wandrey, Christian and Bongaerts, Johannes and Wubbolts, Marcel},
  title     = {Fermentative Herstellung von L-Phenylalanin im Fed-Batch Verfahren mit E. coli unter Einbindung eines integrierten Aufarbeitungsverfahrens},
  series = {Chemie-Ingenieur-Technik (CIT)},
  volume    = {Vol. 72},
  journal   = {Chemie-Ingenieur-Technik (CIT)},
  number    = {Iss. 9},
  issn      = {1522-2640 (E-Journal); 0009-286X (Print)},
  pages     = {926 -- 927},
  year      = {2000},
  language  = {de}
}
@book{Lohse2000,
  author    = {Lohse, Wolfram},
  title     = {Stahlbau. Thiele, Albrecht [Hrsg.], Lohse, Wolfram [Bearb.] Bd. 2. 19., {\"u}berarb. Aufl.},
  publisher = {Teubner},
  address   = {Stuttgart [u.a.]},
  isbn      = {3-519-15255-X},
  pages     = {378 S. : graph. Darst.},
  year      = {2000},
  language  = {de}
}
@article{KuperjansEsserMeyeretal.2000,
  author    = {Kuperjans, Isabel and Esser, J. and Meyer, J{\"o}rg and Donner, O.},
  title     = {Gestaltung und Bewertung von Energieanlagen unter {\"o}kologischen, wirtschaftlichen und technischen Gesichtspunkten},
  series = {Umweltwirtschaftsforum : UWF},
  volume    = {8},
  journal   = {Umweltwirtschaftsforum : UWF},
  number    = {3},
  issn      = {0943-3481},
  pages     = {53 -- 58},
  year      = {2000},
  language  = {de}
}
@book{Laack2000,
  author    = {Laack, Walter van},
  title     = {Nobody ever dies! / 1. ed.},
  publisher = {van Laack},
  address   = {Aachen},
  isbn      = {978-3-936624-03-8},
  pages     = {272 S.},
  year      = {2000},
  language  = {en}
}
@article{WolfFoltzLuczaketal.2000,
  author    = {Wolf, Martin R. and Foltz, Christian and Luczak, Holger and Eggersmann, M.},
  title     = {Entwurf eines Referenzszenarios zur Analyse und Gestaltung von Entwicklungsprozessen in der verfahrenstechnischen Industrie / Foltz, C.; Wolf, M.; Luczak, H.; Eggersmann, M.; Schneider, R.; Marquardt, W.},
  series = {Komplexe Arbeitssysteme - Herausforderung f{\"u}r Analyse und Gestaltung : Bericht zum 46. Arbeitswissenschaftlichen Kongress der Gesellschaft f{\"u}r Arbeitswissenschaft vom 15. - 18. M{\"a}rz 2000 ; [Technische Universit{\"a}t Berlin]},
  journal   = {Komplexe Arbeitssysteme - Herausforderung f{\"u}r Analyse und Gestaltung : Bericht zum 46. Arbeitswissenschaftlichen Kongress der Gesellschaft f{\"u}r Arbeitswissenschaft vom 15. - 18. M{\"a}rz 2000 ; [Technische Universit{\"a}t Berlin]},
  publisher = {GfA-Press},
  address   = {Dortmund},
  isbn      = {3-9806222-5-8},
  pages     = {545 -- 548},
  year      = {2000},
  language  = {de}
}
@book{Laack2000,
  author    = {Laack, Walter van},
  title     = {Eine bessere Geschichte unserer Welt / Bd. 1. Das Universum},
  publisher = {van Laack},
  address   = {Aachen},
  isbn      = {978-3-8311-0345-4},
  pages     = {196 S.},
  year      = {2000},
  language  = {de}
}
@book{StaatHeitzerYanetal.2000,
  author    = {Staat, Manfred and Heitzer, M. and Yan, Ai-Min and Khoi, Vu Duc and Nguyen, Dang Hung and Valdoire, F. and Lahousse, A.},
  title     = {Limit Analysis of Defects},
  publisher = {Forschungszentrum J{\"u}lich},
  address   = {J{\"u}lich},
  issn      = {0944-2952},
  pages     = {89 S.},
  year      = {2000},
  language  = {en}
}
@incollection{Fabo2000,
  author    = {Fabo, Sabine},
  title     = {Born to be wired : Anmerkungen zur Sichtbarkeit von Netzwerken},
  series = {Artefakte Artefiktionen : Transformationsprozesse zeitgen{\"o}ssischer Literaturen, Medien, K{\"u}nste, Architekturen f{\"u}r Christian W. Thomsen zum 60. Geburtstag},
  booktitle = {Artefakte Artefiktionen : Transformationsprozesse zeitgen{\"o}ssischer Literaturen, Medien, K{\"u}nste, Architekturen f{\"u}r Christian W. Thomsen zum 60. Geburtstag},
  editor    = {Krewani, Angela},
  publisher = {Universit{\"a}tsverlag Winter},
  address   = {Heidelberg},
  isbn      = {3-8253-1076-0},
  pages     = {271 -- 281},
  year      = {2000},
  language  = {de}
}
@article{StaatHeitzer2000,
  author    = {Staat, Manfred and Heitzer, M.},
  title     = {Reliability Analysis of Elasto-Plastic Structures under Variable Loads},
  series = {Inelastic analysis of structures under variable loads : theory and engineering applications / Maier, G.; Weichert, D. [ed]},
  journal   = {Inelastic analysis of structures under variable loads : theory and engineering applications / Maier, G.; Weichert, D. [ed]},
  publisher = {Kluwer Academic Publ.},
  address   = {Dordrecht},
  isbn      = {0-7923-6645-X},
  pages     = {269 -- 288},
  year      = {2000},
  language  = {en}
}
@article{WolfFoltzSchlicketal.2000,
  author    = {Wolf, Martin R. and Foltz, Christian and Schlick, Christopher and Luczak, Holger},
  title     = {Entwicklung und Evaluation eines groupware-basierten Unterst{\"u}tzungssystems f{\"u}r verfahrenstechnische Entwickler / Wolf, M.; Foltz, C.; Schlick, C.; Luczak, H.},
  series = {Komplexe Arbeitssysteme - Herausforderung f{\"u}r Analyse und Gestaltung : Bericht zum 46. Arbeitswissenschaftlichen Kongress der Gesellschaft f{\"u}r Arbeitswissenschaft vom 15. - 18. M{\"a}rz 2000 ; [Technische Universit{\"a}t Berlin]},
  journal   = {Komplexe Arbeitssysteme - Herausforderung f{\"u}r Analyse und Gestaltung : Bericht zum 46. Arbeitswissenschaftlichen Kongress der Gesellschaft f{\"u}r Arbeitswissenschaft vom 15. - 18. M{\"a}rz 2000 ; [Technische Universit{\"a}t Berlin]},
  publisher = {GfA-Press},
  address   = {Dortmund},
  isbn      = {3-9806222-5-8},
  pages     = {95 -- 98},
  year      = {2000},
  language  = {de}
}
@phdthesis{Kuperjans2000,
  author    = {Kuperjans, Isabel},
  title     = {Verfahren zur Analyse und Bewertung industrieller Energieanlagen},
  address   = {Aachen},
  pages     = {Getr. Z{\"a}hlung : graph. Darst.},
  year      = {2000},
  language  = {de}
}
@inproceedings{Kuperjans2000,
  author    = {Kuperjans, Isabel},
  title     = {Decision-support-system for technical, economical and ecological design and evaluation of industrial energy systems},
  series = {Industrial ecology and sustainability : conferences and workshops ; September 22 - 25, 1999, Troyes, France},
  booktitle = {Industrial ecology and sustainability : conferences and workshops ; September 22 - 25, 1999, Troyes, France},
  editor    = {Bourg, Dominique and Erkman, Suren},
  publisher = {Universit{\´e} de technologie de Troyes Gen{\`e}ve : Institute for communication and analysis of science and technology},
  address   = {[Troyes]},
  pages     = {1 CD-ROM},
  year      = {2000},
  language  = {en}
}
@inproceedings{BuxbaumSchwarteRingbecketal.2000,
  author    = {Buxbaum, Bernd and Schwarte, Rudolf and Ringbeck, Thorsten and Heß, H. and Grothof, M.},
  title     = {Pseudo-Noise Laserradar zur schnellen 3D-Aufnahme auf Basis der PMD-Smart-Pixel Technologie - Prinzip und experimentelle Verifikation},
  series = {Bildverarbeitung im industriellen Einsatz : Tagung Stuttgart, 18. und 19. Oktober 2000 = Image processing and machine vision / VDI/VDE-Gesellschaft Mess- und Automatisierungstechnik. - (VDI-Berichte ; 1572)},
  booktitle = {Bildverarbeitung im industriellen Einsatz : Tagung Stuttgart, 18. und 19. Oktober 2000 = Image processing and machine vision / VDI/VDE-Gesellschaft Mess- und Automatisierungstechnik. - (VDI-Berichte ; 1572)},
  publisher = {VDI-Verl.},
  address   = {D{\"u}sseldorf},
  isbn      = {3-18-091572-2},
  issn      = {0083-5560},
  pages     = {49 -- 59},
  year      = {2000},
  language  = {de}
}
@inproceedings{SchwarteRingbeckBuxbaumetal.2000,
  author    = {Schwarte, Rudolf and Ringbeck, Thorsten and Buxbaum, Bernd and Heinol, Horst-Guenther and Xu, Z. and Schulte, J. and Riedel, H. and Steiner, P. and Scherer, M. and Schneider, B.},
  title     = {New Powerful Sensory Tool in Automotive Safety Systems Based on PMD-Technology},
  series = {Advanced microsystems for automotive applications 2000},
  booktitle = {Advanced microsystems for automotive applications 2000},
  editor    = {Kr{\"u}ger, Sven},
  publisher = {Springer},
  address   = {Berlin [u.a.]},
  isbn      = {3-5406-7087-4},
  pages     = {181 -- 204},
  year      = {2000},
  language  = {en}
}
@article{KuperjansStarkeEsseretal.2000,
  author    = {Kuperjans, Isabel and Starke, M. and Esser, J. and Meyer, J. and Donner, O.},
  title     = {Analyse und Konzeption von Energieanlagen unter {\"o}kologischen, wirtschaftlichen und technischen Gesichtspunkten},
  series = {WLB : Umwelttechnik f{\"u}r Industrie und Kommune},
  volume    = {44},
  journal   = {WLB : Umwelttechnik f{\"u}r Industrie und Kommune},
  number    = {11/12},
  issn      = {0341-2679},
  pages     = {26 -- 29},
  year      = {2000},
  language  = {de}
}
@article{Laack2000,
  author    = {Laack, Walter van},
  title     = {Entstehen und Funktion von Bewusstsein: Immaterielle Einflussnahme},
  series = {Deutsches {\"A}rzteblatt. 97 (2000), H. 9},
  journal   = {Deutsches {\"A}rzteblatt. 97 (2000), H. 9},
  isbn      = {0012-1207},
  pages     = {A-540},
  year      = {2000},
  language  = {de}
}
@book{Laack2000,
  author    = {Laack, Walter van},
  title     = {Key to Eternity / Walter van Laack. [Transl. by Anneliese Wolstenholme]},
  publisher = {van Laack},
  address   = {Aachen},
  isbn      = {978-3-8311-0344-7},
  pages     = {256 S.},
  year      = {2000},
  language  = {en}
}
@inproceedings{BuxbaumSchwarteRingbeck2000,
  author    = {Buxbaum, Bernd and Schwarte, Rudolf and Ringbeck, Thorsten},
  title     = {Synchronization in spread spectrum laser radar systems based on PMD-DLL},
  series = {Laser radar technology and applications V : 26 - 28 April 2000, Orlando, USA. - (SPIE proceedings series ; 4035)},
  booktitle = {Laser radar technology and applications V : 26 - 28 April 2000, Orlando, USA. - (SPIE proceedings series ; 4035)},
  editor    = {Kamerman, Gary W.},
  publisher = {SPIE},
  address   = {Bellingham, Wash.},
  isbn      = {0-8194-3661-5},
  issn      = {0038-7355},
  pages     = {204 -- 216},
  year      = {2000},
  language  = {en}
}
@inproceedings{RingbeckBuxbaum2000,
  author    = {Ringbeck, Thorsten and Buxbaum, Bernd},
  title     = {A highly integrated monolithic electro-optical PLL in CMOS-technology (PMD-PLL) for communication and ranging systems},
  series = {Proceedings / OPTO 2000, 4th International Conference and Exhibition on Optoelectronics, Optical Sensors and Measuring Techniques : May 9 - 11, 2000, Erfurt Fair, Conference Centre},
  booktitle = {Proceedings / OPTO 2000, 4th International Conference and Exhibition on Optoelectronics, Optical Sensors and Measuring Techniques : May 9 - 11, 2000, Erfurt Fair, Conference Centre},
  publisher = {AMA Service GmbH},
  address   = {Wunsdorf},
  pages     = {235 -- 239},
  year      = {2000},
  language  = {en}
}
@book{BenknerDavid1999,
  author    = {Benkner, Thorsten and David, Klaus},
  title     = {Digitale Mobilfunksysteme : Grundlagen und aktuelle Systeme. - 2., aktualis. u. erw. Aufl.},
  publisher = {Teubner},
  address   = {Stuttgart},
  isbn      = {3-519-16181-8},
  pages     = {XIII, 457 S.. : graph. Darst.},
  year      = {1999},
  language  = {en}
}
@article{Benkner1999,
  author    = {Benkner, Thorsten},
  title     = {Wireless ATM - Broadband Mobile Radio Systems},
  series = {Multiaccess, mobility and teletraffic for wireless communications. Workshop on Multiaccess, Mobility and Teletraffic for Wireless Communications <4, 1998, Washington, DC>},
  journal   = {Multiaccess, mobility and teletraffic for wireless communications. Workshop on Multiaccess, Mobility and Teletraffic for Wireless Communications <4, 1998, Washington, DC>},
  publisher = {Kluwer},
  address   = {Boston [u.a.]},
  pages     = {155 -- 170},
  year      = {1999},
  language  = {en}
}
@book{GrundmannSchoenholtz1999,
  author    = {Grundmann, Reinhard and Sch{\"o}nholtz, Friedrich},
  title     = {„Ventilatoren-Fibel" der Firma Babcock-BSH},
  publisher = {Promotor-Verlag},
  address   = {Karlsruhe},
  year      = {1999},
  language  = {de}
}
@book{Schuermann1999,
  author    = {Sch{\"u}rmann, Wilhelm},
  title     = {Wohin kein Auge reicht : von der Entdeckung des Unsichtbaren / Konzeption: Wilhelm Sch{\"u}rmann},
  address   = {Hamburg},
  pages     = {185 S. : zahlr. Ill.},
  year      = {1999},
  language  = {de}
}
@book{Gauchel1999,
  author    = {Gauchel, Joachim},
  title     = {Flexible Montageautomatisierung},
  address   = {FH Aachen},
  year      = {1999},
  language  = {de}
}
@book{Gauchel1999,
  author    = {Gauchel, Joachim},
  title     = {Verbesserung der Qualit{\"a}t von Freiformoberfl{\"a}chen},
  address   = {FH Aachen},
  year      = {1999},
  language  = {de}
}
@article{Siepmann1999,
  author    = {Siepmann, Thomas},
  title     = {Exploitation Plan of the TELEflow Project},
  address   = {Brussels},
  year      = {1999},
  language  = {en}
}
@book{KnepperPfeiffer1999,
  author    = {Knepper, Ludger and Pfeiffer, Johann},
  title     = {Diplom-Ingenieur / Diplom-Ingenieurin (Fachhochschule) Maschinenbau, Energie- und W{\"a}rmetechnik},
  publisher = {Bertelsmann},
  address   = {Bielefeld},
  pages     = {Loseblattausg.},
  year      = {1999},
  language  = {de}
}
@book{Hegewald1999,
  author    = {Hegewald, Ulf},
  title     = {Ziegelfeld am Keramion, Frechen ; 16.5.1999 - 30.9.2000, Keramion, Museum f{\"u}r zeitgen{\"o}ssische keramische Kunst},
  address   = {Frechen},
  pages     = {95 S. : zahlr. Ill., graph. Darst.},
  year      = {1999},
  language  = {de}
}
@article{TimmeHuelk1999,
  author    = {Timme, Michael and H{\"u}lk, Fabian},
  title     = {Das Ende der Sitztheorie im Internationalen Gesellschaftsrecht?- EuGH, EuZW 1999, 216},
  series = {Juristische Schulung (1999)},
  journal   = {Juristische Schulung (1999)},
  pages     = {1055 -- 1058},
  year      = {1999},
  language  = {de}
}
@article{Timme1999,
  author    = {Timme, Michael},
  title     = {Frustrierte Aufwendungen und Schadensersatz wegen Nichterf{\"u}llung},
  series = {Zeitschrift f{\"u}r Schadensrecht. Vol. 20 (1999), H. No. 12},
  journal   = {Zeitschrift f{\"u}r Schadensrecht. Vol. 20 (1999), H. No. 12},
  pages     = {502 -- 504},
  year      = {1999},
  language  = {de}
}
@article{Timme1999,
  author    = {Timme, Michael},
  title     = {Rechtsfolgen anf{\"a}nglichen Unverm{\"o}gens beim Kaufvertrag},
  series = {Juritische Schulung (1999)},
  journal   = {Juritische Schulung (1999)},
  pages     = {0 -- 4},
  year      = {1999},
  language  = {de}
}
@article{Timme1999,
  author    = {Timme, Michael},
  title     = {„Schwierige Mietverh{\"a}ltnisse" - Klausur aus dem Zivilrecht},
  series = {Juristische Arbeitsbl{\"a}tter (1999)},
  journal   = {Juristische Arbeitsbl{\"a}tter (1999)},
  pages     = {763 -- 770},
  year      = {1999},
  language  = {de}
}
@article{Timme1999,
  author    = {Timme, Michael},
  title     = {Zur deliktischen Produzentenhaftung innerhalb komplexer Produktionsprozesse},
  series = {Juristische Arbeitsbl{\"a}tter (1999)},
  journal   = {Juristische Arbeitsbl{\"a}tter (1999)},
  pages     = {848 -- 851},
  year      = {1999},
  language  = {de}
}
@article{Call1999,
  author    = {Call, Guido},
  title     = {Innovations - Check - Wie Innovationsf{\"a}higkeit nachhaltig verbessert werden kann - dargestellt am Beispiel BASF},
  series = {IO Management (1999)},
  journal   = {IO Management (1999)},
  pages     = {58 -- 63},
  year      = {1999},
  language  = {de}
}
@book{FredebeulKrein1999,
  author    = {Fredebeul-Krein, Markus},
  title     = {Die Internationalisierung der M{\"a}rkte f{\"u}r Telekommunikationsdienste. IZ-Erhebung 1999},
  publisher = {Institut f{\"u}r Wirtschaftspolitik an der Universit{\"a}t K{\"o}ln},
  address   = {K{\"o}ln},
  year      = {1999},
  language  = {de}
}
@article{FredebeulKrein1999,
  author    = {Fredebeul-Krein, Markus},
  title     = {The case for a more binding WTO agreement on regulatory principles in telecommunication markets},
  series = {Telecommunications policy. vol. 23 (1999), H. afl. 9},
  journal   = {Telecommunications policy. vol. 23 (1999), H. afl. 9},
  isbn      = {0308-5961},
  pages     = {625 -- 644},
  year      = {1999},
  language  = {en}
}
@article{FredebeulKrein1999,
  author    = {Fredebeul-Krein, Markus},
  title     = {Handels- und industriepolitische Eingriffe in die europ{\"a}ische Filmwirtschaft : eine {\"o}konomische Analyse},
  series = {Zeitschrift f{\"u}r Wirtschaftspolitik. 48 (1999), H. 1},
  journal   = {Zeitschrift f{\"u}r Wirtschaftspolitik. 48 (1999), H. 1},
  isbn      = {0721-3808},
  pages     = {105 -- 128},
  year      = {1999},
  language  = {de}
}
@article{Frings1999,
  author    = {Frings, Michael},
  title     = {Missverh{\"a}ltnis zwischen Leistung und Gegenleistung bei Abfindungsvereinbarungen (BGH, Urteil vom 02.07.1999)},
  series = {Entscheidungen zum Wirtschaftsrecht : EWiR ; Kurzkommentare (1999)},
  journal   = {Entscheidungen zum Wirtschaftsrecht : EWiR ; Kurzkommentare (1999)},
  isbn      = {0177-9303},
  pages     = {987},
  year      = {1999},
  language  = {de}
}
@article{Frings1999,
  author    = {Frings, Michael},
  title     = {Der Widerruf von Haust{\"u}rgesch{\"a}ften},
  series = {Neue Wirtschafts-Briefe. Fach 19},
  journal   = {Neue Wirtschafts-Briefe. Fach 19},
  publisher = {Verl. Neue Wirtschafts-Briefe},
  address   = {Herne [u.a.]},
  pages     = {2427 -- 2436},
  year      = {1999},
  language  = {de}
}
@article{Frings1999,
  author    = {Frings, Michael},
  title     = {Notarielle Beurkundung und Widerrufsrecht des Verbrauchers},
  series = {Betriebs-Berater : BB ; Zeitschrift f{\"u}r Recht und Wirtschaft (1999)},
  journal   = {Betriebs-Berater : BB ; Zeitschrift f{\"u}r Recht und Wirtschaft (1999)},
  isbn      = {0340-7918},
  pages     = {2366 -- 2369},
  year      = {1999},
  language  = {de}
}
@article{Gebhardt1999,
  author    = {Gebhardt, Andreas},
  title     = {Schnell und flexibel zur Kleinserie. Effizienzsteigerung bei der Realisierung von Komponenten und Teilsystemen},
  series = {Ingenieur-Werkstoffe. 8 (1999), H. 3},
  journal   = {Ingenieur-Werkstoffe. 8 (1999), H. 3},
  isbn      = {0935-5715},
  pages     = {8 -- 14},
  year      = {1999},
  language  = {de}
}
@article{Gebhardt1999,
  author    = {Gebhardt, Andreas},
  title     = {Marktentwicklung im Rapid Prototyping},
  series = {Kunststoffe, M{\"u}nchen. 89 (1999), H. 11},
  journal   = {Kunststoffe, M{\"u}nchen. 89 (1999), H. 11},
  isbn      = {0023-5563},
  pages     = {50 -- 55},
  year      = {1999},
  language  = {de}
}
@article{Grap1999,
  author    = {Grap, Rolf Dietmar},
  title     = {Machbarkeitsstudie : Wann Gruppenarbeit m{\"o}glich ist},
  series = {Der Industrie-Meister: Fachzeitschrift f{\"u}r F{\"u}hrung, Technik, Weiterbildung. 28 (1999), H. 12},
  journal   = {Der Industrie-Meister: Fachzeitschrift f{\"u}r F{\"u}hrung, Technik, Weiterbildung. 28 (1999), H. 12},
  isbn      = {0537-5770 ; 0940-843},
  pages     = {9 -- 12},
  year      = {1999},
  language  = {de}
}