.Conceptual structures : broadening the base : 9th International Conference on Conceptual Structures, ICCS 2001 Stanford, CA, USA, July 30-August 3, 2001 : proceedings /.,.
Conceptual structures : broadening the base : 9th International Conference on Conceptual Structures, ICCS 2001 Stanford, CA, USA, July 30-August 3, 2001 : proceedings /
.Conceptual structures at work : 12th International Conference on Conceptual Structures, ICCS 2004, Huntsville, AL, USA, July 19-23, 2004 : proceedings /.,.
Conceptual structures at work : 12th International Conference on Conceptual Structures, ICCS 2004, Huntsville, AL, USA, July 19-23, 2004 : proceedings /
