@book{
      international1989iaea,
      title={Systems for Reporting Unusual Events in Nuclear Power Plants},
      author={ },
      series={entity},
      number={93 },
      year={1989},
      isbn={92-0-123389-2 },
      url={/publications/3672/systems-for-reporting-unusual-events-in-nuclear-power-plants },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }