@INPROCEEDINGS{Weis01a,
  author = {Weis, Torben and Becker, Christian and Geihs, Kurt and Plouzeau,
	No\"el},
  title = {An {UML} Meta Model for Contract Aware Components},
  booktitle = {Proceedings of {UML} 2001},
  year = {2001},
  volume = {2185},
  series = {LNCS},
  pages = {442--456},
  publisher = {Springer Verlag}
}