@techreport{itb3160,
  author = {Hornecker, E. and Schäfer, K.},
  title = {Gegenständliche Modellierung virtueller Informationswelten},
  year = {1998},
  series = {artec-papers},
  number = {65},
  publisher = {Universität Bremen},
  address = {Bremen},
  doi = {10.26092/elib/1029},
  language = {de},
}