@book{
      international1990iaea,
      title={Nuclear Power Reactors in the World 
April 1990 Edition},
      author={ },
      series={entity},
      number={2 },
      year={1990},
      isbn={92-0-159090-3 },
      url={/publications/329/nuclear-power-reactors-in-the-world-april-1990-edition },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }