S. Ries, J. Kangasharju, und M. Mühlhäuser. On the Move to Meaningful Internet Systems 2006: OTM 2006 Workshops, Volume 4277 von Lecture Notes in Computer Science, Seite 894--903. Berlin/Heidelberg, Springer, (2006)
S. Bloehdorn, O. Görlitz, S. Schenk, und M. Völkel. Proceedings of the 6th International Conference on Knowledge Management (I-KNOW 06), Graz, Austria, (September 2006)
S. Ferré, und O. Ridoux. Proceedings of the 9th International Conference on Conceptual Structures, Volume 2120 von Lecture Notes in Artificial Intelligence, Seite 187-201. Springer, (2001)
D. Gifford, P. Jouvelot, M. Sheldon, und J. O'Toole. Proceedings of the 13th ACM Symposium on Operating Systems Principles, 25, Seite 16-25. Pacific Grove, California, United States, ACM Press, (1991)