E. Börger, A. Cavarra, and E. Riccobene. SAC '03: Proceedings of the 2003 ACM symposium on Applied computing, page 1086--1091. New York, NY, USA, ACM Press, (2003)
D. Drusinsky, J. Michael, T. Otani, and M. Shing. Secure System Integration and Reliability Improvement, 2008. SSIRI '08. Second International Conference on, page 47--51. (2008)