Angelo Gargantini Elvinia Riccobene Patrizia Scandurra A semantic framework for metamodel-based languages. 415-454 2009 16 Autom. Softw. Eng. 3-4 http://dx.doi.org/10.1007/s10515-009-0053-0 db/journals/ase/ase16.html#GargantiniRS09