Ludwik Kuzniarz Jean-Louis Sourrouille Miroslaw Staron The 1<sup>st</sup> Workshop on Quality in Modeling. 76-79 2006 conf/models/2006w MoDELS Workshops http://dx.doi.org/10.1007/978-3-540-69489-2_10 db/conf/models/models2006w.html#KuzniarzSS06