1. P. Andreo D. T. Burns K. Hohlfeld M. S. Huq T. Kanai F. Laitano V. G. Smyth S. Vynckier Absorbed dose determination in external beam radiotherapy 2000
2. AAPM's TG51 protocol for clinical reference dosimetry of high-energy photon and electron beams;Almond;Med. Phys.,1999
3. Procedures of dosimetry with probe-type detectors for photon and electron radiation-Part 2: Ionization chamber dosimetry of high energy photon and electron radiation 2008
4. V. Berland Y. U. Bregadze M. Vainberg S. Vatnitsky L. Epiphanov I. Ermakov B. Isaev V. Kvasov N. Lutova R. Stavitsky Determination of the absorbed dose of photon (1-50 MeV) and electron beams (5-50 MeV) in external radiation therapy National Code of Practice 1990
5. Code of practice for high-energy photon therapy dosimetry based on the NPL absorbed dose calibration service;Lillicrap;Phys. Med. Biol.,1990