1. AAPM Report No 13 (1984) Physical aspects of quality assurance in radiation therapy, AAPM Task Group 24, American Institute of Physics, NY
2. Brahme A (ed) (1988) Accuracy requirements and quality assurance of external beam therapy with photons and electrons. Acta Oncol [Suppl] 1
3. Drzymala RE (1991) Quality assurance for linac-based stereotactic radiosurgery. In: Starkschall G, Horton J (eds) Proceedings of an American College of Medical Physics Symposium, pp 121–129
4. ICRU Report 24 (1976) Determination of absorbed dose in a patient irradiated by beams of x or gamma rays in radiotherapy procedures. International Commission on Radiation Units and Measurements, Washington
5. ICRU Report 50 (1993) Prescribing, recording, and reporting photon beam therapy. International Commission on Radiation Units and Measurements, Washington