@book{
      international1973iaea,
      title={IAEA Research Contracts},
      author={ },
      series={entity},
      number={144 },
      year={1973},
      isbn={92-0-175073-0 },
      url={/publications/1245/iaea-research-contracts },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }