P. Øhrstrøm, H. Schärfe, и S. Uckelman. Proceedings of the 16th International Conference on Conceptual Structures (ICCS 2008), том 5113 из Lecture Notes in Computer Science, стр. 74-87. Springer, (2008)
M. Morneau, и G. Mineau. Proceedings of the 16th International Conference on Conceptual Structures (ICCS 2008), том 5113 из Lecture Notes in Computer Science, стр. 242-254. Springer, (2008)
R. Bendaoud, Y. Toussaint, и A. Napoli. Proceedings of the 16th International Conference on Conceptual Structures (ICCS 2008), том 5113 из Lecture Notes in Computer Science, стр. 203-216. Springer, (2008)