B. Ganter, и S. Kuznetsov. Conceptual Structures: Theory, Tools and Applications, том 1453 из Lecture Notes in Computer Science, Springer, Berlin/Heidelberg, (1998)
B. Ganter, и S. Rudolph. Proceedings of the 9th International Conference on Conceptual Structures (ICCS 2001), том 2120 из Lecture Notes in Computer Science, стр. 143-156. Springer, (2001)