@InProceedings{Sunye:2001:UML, author = "Gerson Suny{\'e} and Damien Pollet and Yves Le Traon and Jean-Marc J{\'e}z{\'e}quel", title = "Refactoring {UML} Models", pages = "134--148", booktitle = "UML 2001 - The Unified Modeling Language. Modeling Languages, Concepts, and Tools. 4th International Conference, Toronto, Canada, October 2001, Proceedings", editor = "Martin Gogolla and Cris Kobryn", publisher = "Springer", series = "LNCS", volume = "2185", year = "2001", }