@ARTICLE{Sunye02a,
  author = {Sunyé, Gerson and Le~Guennec, Alain and Jézéquel, Jean-Marc},
  title = {Using {UML} Action Semantics for Model Execution and Transformation},
  journal = {Information Systems, Elsevier},
  year = {2002},
  volume = {27},
  pages = {445--457},
  number = {6},
  month = jul
}