@book{Johannsen.1989,
  address = {Kassel},
  author = {Johannsen, Gunnar and Borys, Bernd-Burkhard and Sundstr{\"o}m, G. A. and Fejes, Lajos and Str{\"a}tz, Gerd},
  institution = {{Universit{\"a}t Kassel}},
  interhash = {cf357af49491bb88b174b98ddfb1c7c0},
  intrahash = {e4c7e5fbeb75f0f17fd8e1f609c40f9a},
  series = {IMAT-Bericht / MMS},
  title = {Issues of Design Support and User Modelling for Intelligent Graphical Editors, and Presentation System: ESPRIT-Gradient-P857 Report WP4+11-UKS-055},
  volume = {MMS-8},
  year = 1989
}

@book{Borys.1990b,
  address = {Kassel},
  author = {Borys, Bernd-Burkhard and Sundstr{\"o}m, G. A. and Fejes, Lajos and Str{\"a}tz, Gerd},
  institution = {{Universit{\"a}t Kassel}},
  interhash = {70c630e28ed62d22baccd6d397bfb90f},
  intrahash = {1f1a67b72b80819b8714cb9c2a6a4bf7},
  publisher = {Institut f{\"u}r Me{\ss}- u. Automatisierungstechnik},
  series = {IMAT-Bericht / MMS},
  title = {The intelligent graphical editor with design support and user model (IGE3): ESPRIT-GRADIENT Report P857-WP11-UKS 059},
  volume = 10,
  year = 1990
}

@book{Borys.1988,
  address = {Kassel},
  author = {Borys, Bernd-Burkhard and Fejes, Lajos and Johannsen, Gunnar and Sundstr{\"o}m, G. A. and Borchers, H. W. and Elzer, Peter F. and Weisang, Claus and Zinser, Klaus},
  institution = {{Universit{\"a}t Kassel} and {Brown, Boveri {\&} Cie.}},
  interhash = {d644d400ebbdcfd8da21db97e3ae83cc},
  intrahash = {bd424358fe43a893521fc751cf4f3997},
  series = {IMAT-Bericht / MMS},
  title = {Concepts, Design and Prototype Implementation for an Intelligent Graphical Editor (IGE1)},
  volume = {MMS-6},
  year = 1988
}