T. Amghar, T. Charnois, и D. Battistelli. Proceedings of the 9th International Conference on Conceptual Structures (ICCS 2001), том 2120 из Lecture Notes in Computer Science, стр. 29-43. Springer, (2001)
M. Chein, и M. Mugnier. Proceedings of the 12th International Conference on Conceptual Structures (ICCS 2004), том 3127 из Lecture Notes in Computer Science, стр. 303-318. Springer, (2004)
J. Ducrou, B. Wormuth, и P. Eklund. Proceedings of the 13th International Conference on Conceptual Structures (ICCS 2005), том 3596 из Lecture Notes in Computer Science, стр. 295-306. Springer, (2005)
J. Klinger. Proceedings of the 9th International Conference on Conceptual Structures (ICCS 2001), том 2120 из Lecture Notes in Computer Science, стр. 101-114. Springer, (2001)