L. Zhu, M. Staples, and V. Tosic. 12th International IEEE Enterprise Distributed Object Computing Conference, 2008. EDOC '08, page 24--30. IEEE, (September 2008)
E. Dashofy, A. van der Hoek, and R. Taylor. Proceedings of the 24rd International Conference on Software Engineering, 2002. ICSE 2002, page 266--276. IEEE, (May 2002)