@book{ international2001iaea, title={Absorbed Dose Determination in External Beam Radiotherapy}, series={Technical Reports Series}, number={398}, year={2001}, isbn={92-0-102200-X}, url={http://www.dgdingfa.net/publications/5954/absorbed-dose-determination-in-external-beam-radiotherapy}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} }