@Book{Borys.1988,
  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},
  title  = {Concepts, Design and Prototype Implementation for an Intelligent Graphical Editor (IGE1)},

  year   = {1988},
  number = {},
  url    = {},

  const  = {\ text}
}
@Book{Borys.1988,
  author = {Borys, Bernd-Burkhard and Fejes, Lajos and Johannsen, Gunnar and Sundström, G. A. and Borchers, H. W. and Elzer, Peter F. and Weisang, Claus and Zinser, Klaus},
  title  = {Concepts, Design and Prototype Implementation for an Intelligent Graphical Editor (IGE1)},

  year   = {1988},
  number = {},
  url    = {},

  const  = {\ text}
}