1. Guidelines for Chemical Process Quantitative Risk Analysis,2000
2. Reliability Evaluation of Engineering System;Billinton,1986
3. Modules of coherent binary systems;Birnbaum;Journal of Applied Mathematics,1965
4. CARA-Fault Tree light edition 4.1 SR1, 1999, Sysdvest software (www.sysdvest.com).
5. Modularization of fault trees: a method to reduce the cost of analysis;Chatterjee;Reliability and Fault Tree Analysis, SIAM,1975