@book{
      international2020iaea,
      title={Industrial Applications of Sealed Radioactive Sources},
      author={ },
      series={entity},
      number={1925 },
      year={2020},
      isbn={978-92-0-117020-0 },
      url={/publications/12220/industrial-applications-of-sealed-radioactive-sources },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }