1. Şahin M. (1998) Hazard and Operability Analysis (HAZOP) in Chemical Process Industries: A case Study.., Ankara University Master Thesis.
2. Doerr., W,W,. WHAT_IF Analysis. In: Risk Assessment and Risk Management for the Chemical Process Industry led: Greenberg H.R., and Cramer J. J., Van Nostrand Reinhold. New York..
3. Lawley, H.G. (1974). Operability Studies and Hazard Analysis. Chemical Engineering Progress, 70,(4),45–46.
4. Shafaghi, A., Cook, F.B. (1988). Application of a Hazard & Operability Study to Hazard Evaluation of an Absorption Heat Pump. IEEE Transaction on Reliability, 37(2): 159–166.
5. Prugh, R.W. (1980). Application of Fault Tree Analysis. AIChE, July 59–67.