T. Pederson, C. Ardito, P. Bottoni, und M. Costabile. Advances in Conceptual Modeling -- Challenges and Opportunities: ER 2008 Workshops CMLSA, ECDM, FP-UML, M2AS, RIGiM, SeCoGIS, WISM, Barcelona, Spain, Volume 5232 von Lecture Notes in Computer Science, (2008)
K. Kjær. Proceedings of the 25th IASTED International Multi-Conference: Software Engineering, Innsbruck, Austria, Seite 148-155. Anaheim, CA, USA, ACTA, (2007)