@InProceedings{Lano:1998:STUM,
  author =       "Kevin Lano and Juan Bicarregui",
  title =        "Semantics and Transformations for {UML} Models",
  pages =        "97--106",
  booktitle =    "The Unified Modeling Language, UML'98 - Beyond the
                  Notation. First International Workshop, Mulhouse, France,
                  June 1998",
  editor =       "Jean B{\'e}zivin and Pierre-Alain Muller",
  year =         "1998",
}