@book{ international1992iaea, title={Use of Probabilistic Safety Assessment for Operational Safety PSA '91}, series={Proceedings Series}, year={1992}, isbn={92-0-000292-7}, url={https://www.iaea.org/publications/3749/use-of-probabilistic-safety-assessment-for-operational-safety-psa-91}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} }