@book{
      international2009iaea,
      title={Calibration of Reference Dosimeters for External Beam Radiotherapy},
      author={ },
      series={entity},
      number={469 },
      year={2009},
      isbn={978-92-0-110708-4 },
      url={/publications/7995/calibration-of-reference-dosimeters-for-external-beam-radiotherapy },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }