@book{Borys.1990b,
  address = {Kassel},
  author = {Borys, Bernd-Burkhard and Sundström, G. A. and Fejes, Lajos and Strätz, Gerd},
  institution = {{Universität Kassel}},
  interhash = {406b42190fcf1bc86354c1871910d96e},
  intrahash = {e1dbaafe08996c1d92f46a0a812ef0c8},
  publisher = {Institut für Meß- 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{Johannsen.1989,
  address = {Kassel},
  author = {Johannsen, Gunnar and Borys, Bernd-Burkhard and Sundström, G. A. and Fejes, Lajos and Strätz, Gerd},
  institution = {{Universität Kassel}},
  interhash = {2a66c35c10bb0f1aab2649a3cb7778f0},
  intrahash = {d38678fc578d89530b05799c053ad1e7},
  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
}