A. de Moor, M. Keeler, und G. Richmond. Proceedings of the 10th International Conference on Conceptual Structures (ICCS 2002), Volume 2393 von Lecture Notes in Computer Science, Seite 235-249. Springer, (2002)
A. de Moor. Proceedings of the 13th International Conference on Conceptual Structures (ICCS 2005), Volume 3596 von Lecture Notes in Computer Science, Seite 1-18. Springer, (2005)
M. Keeler, und H. Pfeiffer. Proceedings of the 14th International Conference on Conceptual Structures (ICCS 2006), Volume 4068 von Lecture Notes in Computer Science, Seite 314-330. Springer, (2006)