M. Brandsteidl, M. Seidl, M. Wimmer, C. Huemer, G. Kappel: "Exercises for Object-Oriented Modeling"; Talk: Educators Symposium @ MODELS 2008, Toulouse, Frankreich (invited); 2008-09-29.
http://www.iem.pw.edu.pl/edusymp08/M.Brensteidl_artifact.pdf