@book{
      international2001iaea,
      title={Nuclear Data Newsletter Issue No. 31, March 2001},
      author={ },
      series={entity},
      number={31 },
      year={2001},
      isbn={ },
      url={/publications/6320/nuclear-data-newsletter-issue-no-31-march-2001 },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }