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2. International Commission on Radiation Units and Quantities. Determination of dose equivalents resulting from external radiation sources. ICRU Report 39 (Bethesda, MD: ICRU) (1985).
3. International Commission on Radiation Units and Quantities. Measurement of dose equivalents from external photon and electron radiations. ICRU Report 47 (Bethesda, MD: ICRU) (1992).
4. International Organization for Standardization. Reference neutron radiations—characteristics and methods of production of simulated workplace neutron fields. ISO 12789:2000 (Geneva: ISO) (2002).
5. International Organization for Standardization. Draft International Standard, reference neutron radiations—part 2: calibration fundamentals related to the basic quantities characterizing simulated workplace neutron fields. ISO/FDIS 12789-2 (Geneva: ISO) (2006).