@book{
      international2020iaea,
      title={Nuclear Data Newsletter No. 68
Issue No. 68, January 2020},
      author={ },
      series={entity},
      number={68 },
      year={2020},
      isbn={ },
      url={/publications/14696/nuclear-data-newsletter-no-68-issue-no-68-january-2020 },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }