Florian Heidenreich Jendrik Johannes Sven Karol Mirko Seifert Christian Wende Derivation and Refinement of Textual Syntax for Models. 114-129 2009 ECMDA-FA http://dx.doi.org/10.1007/978-3-642-02674-4_9 conf/ecmdafa/2009 db/conf/ecmdafa/ecmdafa2009.html#HeidenreichJKSW09