1. American Institute of Chemical Engineers. Guidelines for hazard evaluation procedures, 1985.
2. Suokas J. An overall knowledge-based methodology for hazard identification-results from the TOMHID project. VTT Research Notes 1658, Technical Research Centre of Finland, 1995:29.
3. Rasmussen B, Whetton C. Hazard identification based on plant functional modelling, Risø-R-712(EN), Risø National Laboratory, DK-4000 Roskilde, 1993:71.
4. Heikkilä J, Rasmussen B, Rouhiainen V, Suokas J. Method for investigating management impact to causes and consequences of specific hazards, VTT Research Notes 1689, Technical Research Centre of Finland, 1995:78.
5. Yourdon E. Modern structured analysis. Englewood Cliffs, NJ: Prentice-Hall, 1989:672.