@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{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
}