@book{
      international1981iaea,
      title={Nuclear Power Reactors in the World 
September 1981 Edition},
      author={ },
      series={entity},
      number={2 },
      year={1981},
      isbn={ },
      url={/publications/320/nuclear-power-reactors-in-the-world-september-1981-edition },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }