F. Amarger, O. Haemmerlé, N. Hernandez, и C. Pradel. Proceedings of the 21th International Conference on Conceptual Structures (ICCS 2013), том 7735 из Lecture Notes in Computer Science, стр. 75-89. Springer, (2013)
O. Corby, и C. Faron-Zucker. Proceedings of the 15th International Conference on Conceptual Structures (ICCS 2007), том 4604 из Lecture Notes in Artificial Intelligence, стр. 472-475. Berlin, Heidelberg, Springer-Verlag, (июля 2007)