@book{JacobsGebhardt1994,
  author    = {Jacobs, Stephan and Gebhardt, Michael},
  title     = {CoDecide - ein Baukasten zur Implemetierung von Werkzeugen zur Sichtenkopplung : [qualitative Entscheidungsunterst{\"u}tzung f{\"u}r Gruppen]; interner Bericht / St. Jacobs ; M. Gebhardt},
  publisher = {RWTH},
  address   = {Aachen},
  pages     = {14 Bl. : graph. Darst.},
  year      = {1994},
  language  = {de}
}
@book{Jacobs1997,
  author    = {Jacobs, Stephan},
  title     = {Konfliktvisualisierung im kooperativen Entwurf / Stephan Jacobs. Mit Geleitw. von Helmut Krcmar und Matthias Jarke},
  publisher = {Dt. Univ.-Verl.},
  address   = {Wiesbaden},
  isbn      = {3-8244-6380-6},
  pages     = {XIX, 190 S. : Ill., graph. Darst.},
  year      = {1997},
  language  = {de}
}
@book{Jacobs1995,
  author    = {Jacobs, Stephan},
  title     = {Konfliktmanagement in kooperativen Anwendungen / Stephan Jacobs ...},
  pages     = {30 S. : graph. Darst.},
  year      = {1995},
  language  = {de}
}