@book{
      international1989iaea,
      title={IAEA Yearbook 1989},
      author={ },
      series={entity},
      number={ },
      year={1989},
      isbn={92-0-179089-9 },
      url={/publications/3700/iaea-yearbook-1989 },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }