@book{
      international1961iaea,
      title={IAEA Research Contracts},
      author={ },
      series={entity},
      number={4 },
      year={1961},
      isbn={92-0-175061-7 },
      url={/publications/1099/iaea-research-contracts },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }