@book{
      international1995iaea,
      title={PSAPACK 4.2
A code for probabilistic safety assessment
Level 1},
      author={ },
      series={entity},
      number={6 },
      year={1995},
      isbn={ },
      url={/publications/5679/psapack-42-a-code-for-probabilistic-safety-assessment-level-1 },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }