@book{
      international1999iaea,
      title={SSDL Newsletter Issue No. 41, July 1999},
      author={ },
      series={entity},
      number={41 },
      year={1999},
      isbn={ },
      url={/publications/5883/ssdl-newsletter-issue-no-41-july-1999 },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }