@book{JanzEblingGottschalketal.1999,
  author    = {Janz, Norbert and Ebling, G{\"u}nther and Gottschalk, Sandra and Licht, Georg},
  title     = {Dienstleistungen in der Zukunft: Innovationsaktivit{\"a}ten im Dienstleistungssektor. Befragung 1998 / Janz, N., G. Ebling, S. Gottschalk, G. Licht und H. Niggemann},
  publisher = {ZEW Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsforschung},
  address   = {Mannheim},
  year      = {1999},
  language  = {de}
}
@article{JanzVoss1999,
  author    = {Janz, Norbert and Voß, K.},
  title     = {Dienstleistungsexport: Innovative Unternehmen sind exportst{\"a}rker / Janz, N. und k. Voß},
  year      = {1999},
  language  = {de}
}
@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}
}
@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{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{ArtmannLiSeipeltetal.1999,
  author    = {Artmann, Gerhard and Li, Anlan and Seipelt, H. and M{\"u}ller, C. [u.a.]},
  title     = {Effects of salicylic acid derivatives on red blood cell membranes. Li, Anlan; Seipelt, H.; M{\"u}ller, C.;Shi, Yong de; Artmann, Gerhard Michael},
  series = {Pharmacology and Toxicology. 85 (1999)},
  journal   = {Pharmacology and Toxicology. 85 (1999)},
  isbn      = {0902-9938},
  pages     = {206 -- 211},
  year      = {1999},
  language  = {en}
}
@inproceedings{Meliss1999,
  author    = {Meliß, Michael},
  title     = {Ein Hochschul-Curriculum f{\"u}r erneuerbare Energien},
  series = {Building a new century : 5th Conference on Solar Architecture and Design; Bonn, 27th of May 1998 / ed. by EUROSOLAR e. V. / ed. by Irm Pontenagel},
  booktitle = {Building a new century : 5th Conference on Solar Architecture and Design; Bonn, 27th of May 1998 / ed. by EUROSOLAR e. V. / ed. by Irm Pontenagel},
  publisher = {Bonn},
  address   = {Eurosolar-Verl.},
  isbn      = {3-933745-03-9},
  pages     = {198 -- 207},
  year      = {1999},
  language  = {de}
}
@article{Mayer1999,
  author    = {Mayer, Claudia},
  title     = {Eine Fundgrube f{\"u}r wahre Sch{\"a}tze. Das Archiv der German Society of Pennsylvania},
  series = {Der neue Pennsylvanische Staatsbote (1999)},
  journal   = {Der neue Pennsylvanische Staatsbote (1999)},
  pages     = {4 -- und 8},
  year      = {1999},
  language  = {de}
}
@article{Mertens1999,
  author    = {Mertens, Josef},
  title     = {Einige herausragende Ergebnisse des Technologieprogramms "Reduktion des Aerodynamischen Widerstands (RaWid)"},
  series = {DGLR-Jahrbuch 1999 Bd. 3},
  journal   = {DGLR-Jahrbuch 1999 Bd. 3},
  pages     = {1461 -- 1468},
  year      = {1999},
  language  = {de}
}
@book{Engels1999,
  author    = {Engels, Elmar},
  title     = {Einsparpotentiale und Anwendungserweiterungen mitfahrender Ziehtechniken : Abschlussbericht AiF/EFB 11158 B / Neugebauer, R. ; Henning, W. ; Doege, E. ; Elend, L.E. ; Engels, E.},
  publisher = {EFB},
  address   = {Hannover},
  pages     = {79 S. ; graph. Darst.},
  year      = {1999},
  language  = {de}
}