@book{
      international2020iaea,
      title={Nuclear Data Newsletter No. 69
Issue No. 69, July 2020},
      author={ },
      series={entity},
      number={69 },
      year={2020},
      isbn={ },
      url={/publications/14773/nuclear-data-newsletter-no-69-issue-no-69-july-2020 },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }