Andrés Yie Rubby Casallas Dennis Wagelaar Dirk Deridder An Approach for Evolving Transformation Chains. 551-555 2009 MoDELS http://dx.doi.org/10.1007/978-3-642-04425-0_42 conf/models/2009 db/conf/models/models2009.html#YieCWD09