Levi Lúcio, Eugene Syriani, Moussa Amrani, Qin Zhang, Hans Vangheluwe. Invariant preservation in iterative modeling. In Proceedings of the 6th International Workshop on Models and Evolution, ME@MoDELS 2012, Innsbruck, Austria, October 1-5, 2012. pages 57-62, ACM, 2012. [doi]