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)
B. Ganter, и S. Kuznetsov. Proceedings of the 11th International Conference on Conceptual Structures (ICCS 2003), том 2746 из Lecture Notes in Computer Science, стр. 83-95. Springer, (2003)