@InProceedings{Sapir:2002:WRKUMLAOM,
  author =       "Naomi Sapir and Shmuel Tyszberowicz and Amiram Yehudai",
  title =        "Extending {UML} with Aspect Usage Constraints in the
                  Analysis and Design Phases",
  booktitle =    "Workshop on Aspect-Oriented Modeling with UML",
  editor =       "Mohamed Kand{\'e} and Omar Aldawud and Grady Booch and
                  Bill Harrison",
  year =         "2002",
}