1. Massey, J.B. (1970) Manual of Dosimetry in Radiotherapy. IAEA-TRS No. 110, International Atomic Energy Agency, Vienna.
2. Cohen, M. and Mitchell, J.S. (1984) Cobalt-60 Teletherapy: A Compendium of International Practice. International Atomic Energy Agency, Vienna.
3. National Council on Radiation Protection and Measurements (1981) Dosimetry of X-Ray and Gamma-Ray Beams for Radiation Therapy in the Energy Range 10 kev to 50 Mev. NCRP Report No. 69, Washington DC.
4. International Atomic Energy Agency (1994) Calibration of Dosimeter Used in Radiotherapy. IAEA-TRS 374, Vienna.
5. International Atomic Energy Agency (2000) Absorbed Dose Determination in External Beam Radiotherapy. An International Code of Practice for Dosimetry Based on Standards of Absorbed Dose to Water. Technical Report Series No. 398.