1. ICRU, “Determination of Dose equivalents resulting from external sources”, ICRU report 39, Bethesda, Maryland (1985).
2. ICRP, “Conversion coefficients for use in radiological protection against external radiation”, ICRP Publication 74, Annals of the ICRP Vol. 26 no. 3–4. Pergamon Press, Oxford (1996).
3. IAEA, “Calibration of radiation protection monitoring instruments”, Safety Report Series-16, IAEA, Vienna (1999).
4. ICRU, “Measurements of dose equivalents from external photon and electron radiation”, ICRU Report 47, Bethesda, Maryland (1992).
5. ISO, “X-ray and gamma reference radiations for calibrating dosimeters & dose rate meters and for determining their response as a function of photon energy, Part-3”, ISO 4037-3, Geneva (1999).