@inproceedings{StrassnerHeiden1998,
  author    = {J. Strassner and W. Heiden},
  title     = {Encountering virtual Worlds - State-of-the-art Report Virtual Environments},
  series = {Anigraph'98 Proceedings. May 20-23, 1998, Moscow, Russia},
  pages     = {11 -- 32},
  year      = {1998},
  language  = {en}
}