Y. Kalfoglou, and M. Schorlemmer. Proceedings of the 13th International Conference on Conceptual Structures (ICCS'05), Springer LNAI 3596, Kassel, Germany, page 107--119. (July 2005)
Y. Kalfoglou, and M. Schorlemmer. Proceedings of the 13th International Conference on Conceptual Structures (ICCS'05), Springer LNAI 3596, Kassel, Germany, page 107--119. (July 2005)
Y. Kalfoglou, and W. Schorlemmer. Proceedings of the 13th International Conference on Conceptual Structures (ICCS 2005), volume 3596 of Lecture Notes in Computer Science, page 107-118. Springer, (2005)