@book{wille94begriffliche,
  address = {Mannheim},
  editor = {Wille, R. and Zickwolff, M.},
  interhash = {11b9b79ae74a437be674863ce34c7d99},
  intrahash = {b35491547f2fa7000eb3f518b0e3a336},
  publisher = {B.I.-Wissenschaftsverlag},
  title = {Begriffliche Wissensverarbeitung -- Grundfragen und Aufgaben},
  year = 1994
}

@proceedings{conf/iccs/1995,
  bibsource = {DBLP, http://dblp.uni-trier.de},
  booktitle = {ICCS},
  editor = {Ellis, Gerard and Levinson, Robert and Rich, William and Sowa, John F.},
  interhash = {6a6c4ec3877020073c87fa5c6512e855},
  intrahash = {a89bdcb5692a05eda0e3b4d939d15e00},
  isbn = {3-540-60161-9},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  title = {Conceptual Structures: Applications, Implementation and
               Theory, Third International Conference on Conceptual Structures,
               ICCS '95, Santa Cruz, California, USA, August 14-18, 1995,
               Proceedings},
  volume = 954,
  year = 1995
}