D. Menasce, J. Sousa, S. Malek, and H. Gomaa. Proceedings of the 7th international conference on Autonomic computing, page 195--204. New York, NY, USA, ACM, (2010)
L. Zhu, M. Staples, and V. Tosic. 12th International IEEE Enterprise Distributed Object Computing Conference, 2008. EDOC '08, page 24--30. IEEE, (September 2008)