KI-94: Advances in Artificial Intelligence 18th German Annual Conference on Artificial Intelligence, Saarbrücken, September 18-23, 1994. Proceedings Nebel Bernhard Heftet / 1994 / Engelsk
KI-97: Advances in Artificial Intelligence 21st Annual German Conference on Artificial Intelligence, Freiburg, Germany, September 9-12, 1997, Proceedings Brewka, Gerhard Heftet / 1997 / Engelsk
Spatial Cognition IX International Conference, Spatial Cognition 2014, Bremen, Germany, September 15-19, 2014. Proceedings Freksa Christian Heftet / 2014 / Engelsk
Spatial Cognition IV, Reasoning, Action, Interaction International Spatial Cognition 2004, Frauenchiemsee, Germany, October 11-13, 2004, Revised Selected Papers Freksa Christian Heftet / 2005 / Engelsk
Information Mining Methoden, Algorithmen und Anwendungen intelligenter Datenanalyse Runkler Thomas A. Heftet / 2000 / Tysk
Sehen und die Verarbeitung visueller Information Eine Einführung Mallot Hanspeter A. Heftet / 2000 / Tysk
