Ivan Kurtev Klaas van den Berg Mehmet Aksit UML to XML-Schema Transformation: a Case Study in Managing Alternative Model Transformations in MDA. 297-309 2003 FDL http://www.ecsi-association.org/ecsi/main.asp?l1=library&fn=def&id=746 conf/fdl/2003 db/conf/fdl/fdl2003.html#KurtevBA03