X and gamma reference radiations for calibrating dosemeters and dose ratemeters and for determining their response as a function of photon energy — Amendment 1: Low rate series of filtered X-radiations
ISO 4037:1979/Amd 1:1983X and gamma reference radiations for calibrating dosemeters and dose ratemeters and for determining their response as a function of photon energyAmendment 1: Low rate series of filtered X-radiations