J. Klinger. Proceedings of the 13th International Conference on Conceptual Structures (ICCS 2005), Volume 3596 von Lecture Notes in Computer Science, Seite 209-222. Springer, (2005)
F. Dau. Proceedings of the 13th International Conference on Conceptual Structures (ICCS 2005), Volume 3596 von Lecture Notes in Computer Science, Seite 152-165. Springer, (2005)