@book{
      international1989iaea,
      title={Nuclear Power Reactors in the World 
April 1989 Edition},
      author={ },
      series={entity},
      number={2 },
      year={1989},
      isbn={92-0-159089-X },
      url={/publications/328/nuclear-power-reactors-in-the-world-april-1989-edition },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }