@book{
      international2011iaea,
      title={SSDL Newsletter Issue No. 59, April 2011},
      author={ },
      series={entity},
      number={ },
      year={2011},
      isbn={ },
      url={/publications/8723/ssdl-newsletter-issue-no-59-april-2011 },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }