U. Priss, und L. Old. Proceedings of the 15th International Conference on Conceptual Structures (ICCS 2007), Volume 4604 von Lecture Notes in Artificial Intelligence, Seite 310-320. Berlin, Heidelberg, Springer-Verlag, (Juli 2007)
S. Rudolph. Proceedings of the 15th International Conference on Conceptual Structures (ICCS 2007), Volume 4604 von Lecture Notes in Artificial Intelligence, Seite 321-332. Berlin, Heidelberg, Springer-Verlag, (Juli 2007)
S. Ghosh, B. Löwe, und E. Scorelle. Proceedings of the 15th International Conference on Conceptual Structures (ICCS 2007), Volume 4604 von Lecture Notes in Artificial Intelligence, Seite 401-414. Berlin, Heidelberg, Springer-Verlag, (Juli 2007)