@InProceedings{Clarke:2000:UML, author = "Siobh{\'a}n Clarke", title = "Composing Design Models: An Extension to the {UML}", pages = "338--352", booktitle = "UML 2000 - The Unified Modeling Language. Advancing the Standard. Third International Conference, York, UK, October 2000, Proceedings", editor = "Andy Evans and Stuart Kent and Bran Selic", publisher = "Springer", series = "LNCS", volume = "1939", year = "2000", }