Jean Bézivin Fabian Büttner Martin Gogolla Frédéric Jouault Ivan Kurtev Arne Lindow Model Transformations? Transformation Models! 440-453 2006 conf/models/2006 MoDELS http://dx.doi.org/10.1007/11880240_31 db/conf/models/models2006.html#BezivinBGJKL06