LangC89'

@inproceedings{DBLP:conf/ki/LangC89,
  author    = {Ewald Lang and
               Kai-Uwe Carstensen},
  title     = {OSKAR - Ein PROLOG-Programm zur Modellierung der Stuktur
               und der Verarbeitung r{\"a}umlichen Wissens},
  booktitle = {GWAI},
  year      = {1989},
  pages     = {234-243},
  crossref  = {DBLP:conf/ki/1989},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/ki/1989,
  editor    = {Dieter Metzing},
  title     = {GWAI-89, 13th German Workshop on Artificial Intelligence,
               Eringerfeld, 18.-22. September 1989, Proceedings},
  booktitle = {GWAI},
  publisher = {Springer},
  series    = {Informatik-Fachberichte},
  volume    = {216},
  year      = {1989},
  isbn      = {3-540-51743-X},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}