@book{
      international1995iaea,
      title={Nuclear Data Newsletter Issue No. 21, July 1995},
      author={ },
      series={entity},
      number={21 },
      year={1995},
      isbn={ },
      url={/publications/4872/nuclear-data-newsletter-issue-no-21-july-1995 },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }