Conceptual Structures: Broadening the Base 9th International Conference on Conceptual Structures, ICCS 2001, Stanford, CA, USA, July 30-August 3, 2001, Proceedings Delugach Harry S. Heftet / 2001 / Engelsk
Conceptual Structures at Work 12th International Conference on Conceptual Structures, ICCS 2004, Huntsville, AL, USA, July 19-23, 2004, Proceedings Wolff Karl Erich Heftet / 2004 / Engelsk
