Guido Wachsmuth. Modelling the Operational Semantics of Domain-Specific Modelling Languages. In Ralf Lämmel, Joost Visser, João Saraiva, editors, Generative and Transformational Techniques in Software Engineering II, International Summer School, GTTSE 2007. Volume 5235 of Lecture Notes in Computer Science, pages 506-520, Springer, Braga, Portugal, 2007. [doi]