Greg Freeman, Don S. Batory, R. Greg Lavender. Lifting Transformational Models of Product Lines: A Case Study. In Antonio Vallecillo, Jeffrey G. Gray, Alfonso Pierantonio, editors, Theory and Practice of Model Transformations, First International Conference, ICMT 2008, Zürich, Switzerland, July 1-2, 2008, Proceedings. Volume 5063 of Lecture Notes in Computer Science, pages 16-30, Springer, 2008. [doi]