@book{
      international1993iaea,
      title={IAEA Yearbook 1993},
      author={ },
      series={entity},
      number={ },
      year={1993},
      isbn={92-0-102493-2 },
      url={/publications/3808/iaea-yearbook-1993 },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }