@incollection{LuczakWolfSchlicketal.1999,
  author    = {Luczak, Holger and Wolf, Martin and Schlick, Christopher and Springer, J. and Foltz, Christian},
  title     = {Personenorientierte Arbeitsprozesse und Kommunikationsforrnen},
  series = {Integration von Entwicklungssystemen in Ingenieuranwendungen : substantielle Verbesserung der Entwicklungsprozesse},
  booktitle = {Integration von Entwicklungssystemen in Ingenieuranwendungen : substantielle Verbesserung der Entwicklungsprozesse},
  editor    = {Nagl, Walter},
  publisher = {Springer},
  address   = {Berlin},
  isbn      = {3-540-63920-9},
  pages     = {403 -- 422},
  year      = {1999},
  language  = {de}
}
@article{WolfFoltzSchlicketal.1999,
  author    = {Wolf, Martin and Foltz, Christian and Schlick, Christopher and Luczak, Holger},
  title     = {Groupware support for chemical process design / Wolf, M.; Foltz, C.; Schlick, C.; Luczak, H.},
  series = {Human-computer interaction : proceedings of HCI International '99 (the 8th International Conference on Human-Computer Interaction), Munich, Germany, August 22 - 26, 1999},
  journal   = {Human-computer interaction : proceedings of HCI International '99 (the 8th International Conference on Human-Computer Interaction), Munich, Germany, August 22 - 26, 1999},
  publisher = {Erlbaum},
  address   = {Mahwah, NJ},
  pages     = {343 -- 347},
  year      = {1999},
  language  = {en}
}
@article{WolfLuczak1999,
  author    = {Wolf, Martin and Luczak, Holger},
  title     = {Computer Supported Communication and Cooperation - Making Information Aware / Luczak, H. ; Wolf, M.},
  series = {Human-computer interaction : proceedings of HCI International '99 (the 8th International Conference on Human-Computer Interaction), Munich, Germany, August 22 - 26, 1999},
  journal   = {Human-computer interaction : proceedings of HCI International '99 (the 8th International Conference on Human-Computer Interaction), Munich, Germany, August 22 - 26, 1999},
  publisher = {Erlbaum},
  address   = {Mahwah, NJ},
  pages     = {298 -- 302},
  year      = {1999},
  language  = {en}
}
@article{BogoyavlenskiyBerezinOgnevaetal.1999,
  author    = {Bogoyavlenskiy, A. P. and Berezin, V. E. and Ogneva, A. V. and Tolmacheva, V. P. and Digel, Ilya and Khudyakova, S. S.},
  title     = {Immunostimulating activity of a saponin-containing extract of Saponaria officinalis},
  series = {Voprosy virusologii},
  volume    = {44},
  journal   = {Voprosy virusologii},
  number    = {5},
  issn      = {0507-4088},
  pages     = {229 -- 232},
  year      = {1999},
  language  = {en}
}
@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{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}
}
@book{Pfeiffer1999,
  author    = {Pfeiffer, Johann},
  title     = {Verbesserung der Qualit{\"a}t von Freiformoberfl{\"a}chen},
  publisher = {Fachhochsch.},
  address   = {Aachen},
  year      = {1999},
  language  = {de}
}
@inproceedings{RingbeckSchwarteBuxbaum1999,
  author    = {Ringbeck, Thorsten and Schwarte, Rudolf and Buxbaum, Bernd},
  title     = {Introduction of a new opto-electrical phase-locked loop in CMOS technology: the PMD-PLL},
  series = {Optical wireless communications II / [SPIE Conference on Optical Wireless Communications II], 22 September 1999, Boston, Massachusetts. - (SPIE proceedings series ; 3850)},
  booktitle = {Optical wireless communications II / [SPIE Conference on Optical Wireless Communications II], 22 September 1999, Boston, Massachusetts. - (SPIE proceedings series ; 3850)},
  editor    = {Korevaar, Eric John},
  publisher = {SPIE},
  address   = {Bellingham, Wash.},
  isbn      = {0-8194-3443-4},
  issn      = {0038-7355},
  pages     = {108 -- 116},
  year      = {1999},
  language  = {en}
}
@inproceedings{BuxbaumSchwarteRingbeck1999,
  author    = {Buxbaum, Bernd and Schwarte, Rudolf and Ringbeck, Thorsten},
  title     = {PMD-PLL: receiver structure for incoherent communication and ranging systems},
  series = {Optical wireless communications II / [SPIE Conference on Optical Wireless Communications II], 22 September 1999, Boston, Massachusetts. - (SPIE proceedings series ; 3850)},
  booktitle = {Optical wireless communications II / [SPIE Conference on Optical Wireless Communications II], 22 September 1999, Boston, Massachusetts. - (SPIE proceedings series ; 3850)},
  editor    = {Korevaar, Eric John},
  publisher = {SPIE},
  address   = {Bellingham, Wash.},
  isbn      = {0-8194-3443-4},
  issn      = {0038-7355},
  pages     = {116 -- 130},
  year      = {1999},
  language  = {en}
}
@incollection{SchwarteHeinolBuxbaumetal.1999,
  author    = {Schwarte, Rudolf and Heinol, Horst-Guenther and Buxbaum, Bernd and Ringbeck, Thorsten and [u.a.],},
  title     = {Principles of three-dimensional imaging techniques},
  series = {Sensors and imaging. - (Handbook of computer vision and applications ; Vol. 1)},
  booktitle = {Sensors and imaging. - (Handbook of computer vision and applications ; Vol. 1)},
  editor    = {J{\"a}hne, Bernd},
  publisher = {Academic Press},
  address   = {San Diego},
  isbn      = {0-12-379771-3 (Einzelbd.)},
  pages     = {463 -- 485},
  year      = {1999},
  language  = {en}
}