Wisskirchen87'

@inproceedings{DBLP:conf/egt/Wisskirchen87,
  author    = {Peter Wi{\ss}kirchen},
  title     = {Object-Oriented Graphics},
  booktitle = {Advances in Computer Graphics},
  year      = {1987},
  pages     = {133-146},
  crossref  = {DBLP:conf/egt/1987},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/egt/1987,
  editor    = {Maurice M. de Ruiter},
  title     = {Advances in Computer Graphics III (Tutorials from Eurographics'87
               Conf.)},
  booktitle = {Advances in Computer Graphics III},
  publisher = {Springer},
  year      = {1988},
  isbn      = {3-540-18788-X},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}