Krzysztof Czarnecki J. Nathan Foster Zhenjiang Hu Ralf Lämmel Andy Schürr James F. Terwilliger Bidirectional Transformations: A Cross-Discipline Perspective. 260-283 2009 ICMT http://dx.doi.org/10.1007/978-3-642-02408-5_19 conf/icmt/2009 db/conf/icmt/icmt2009.html#CzarneckiFHLST09