@InProceedings{Hamie:1999:APSEC,
  author =       "Ali Hamie",
  title =        "Enhancing the {Object Constraint Language} for More
                  Expressive Specifications",
  booktitle =    "Proceedings Asia Pacific Software Engineering Conference
                  (APSEC '99), December, 1999, Takamatsu, Japan",
  year =         "1999",
  publisher =    "IEEE Computer Society",
}