P. Martin. Proceedings of the 11th International Conference on Conceptual Structures (ICCS 2003), том 2746 из Lecture Notes in Computer Science, стр. 160-173. Springer, (2003)
P. Kocura. Proceedings of the 11th International Conference on Conceptual Structures (ICCS 2003), том 2746 из Lecture Notes in Computer Science, стр. 174-187. Springer, (2003)
B. Ganter, и G. Stumme. Proceedings of the 11th International Conference on Conceptual Structures (ICCS 2003), том 2746 из Lecture Notes in Computer Science, стр. 131-145. Springer, (2003)