J. Farkas, und J. Sarbo. Proceedings of the 10th International Conference on Conceptual Structures (ICCS 2002), Volume 2393 von Lecture Notes in Computer Science, Seite 177-190. Springer, (2002)
J. Sarbo, und J. Farkas. Proceedings of the 10th International Conference on Conceptual Structures (ICCS 2002), Volume 2393 von Lecture Notes in Computer Science, Seite 20-33. Springer, (2002)