@book{
      international2012iaea,
      title={Guidance on the Import and Export of Radioactive Sources},
      author={ },
      series={entity},
      number={ },
      year={2012},
      isbn={ },
      url={/publications/8901/guidance-on-the-import-and-export-of-radioactive-sources },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }