4Stamatelatos M. Probabilistic risk assessment procedures guide for NASA managers and practitioners[ R]. Washington D C : Office of Safety and Mission Assurance NASA Headquarters, 2002.
5Sen D K, Banks J C, Maggio G, et al. Rapid development of an event tree modeling tool using COTS software [ R ]. New Jersey: IEEE Aerospace Conference,2006.
6Epstein S, Rauzy A. Can we trust PRA [J]. Reliability Engineering and System Safety, 2005 (3) : 195.