MarÃa Victoria Cengarle, Hans Grönniger, Bernhard Rumpe. Variability within Modeling Language Definitions. In Andy Schürr, Bran Selic, editors, Model Driven Engineering Languages and Systems, 12th International Conference, MODELS 2009, Denver, CO, USA, October 4-9, 2009. Proceedings. Volume 5795 of Lecture Notes in Computer Science, pages 670-684, Springer, 2009. [doi]
Abstract is missing.