ISO 4037-1:1996 校准剂量仪和剂量率仪及确定其光子能量响应的Χ和γ参考辐射 第1部分:辐射特性产生方法
X and gamma reference radiation for calibrating dosemeters and doserate meters and for determining their response as a function of photon energy - Part 1: Radiation characteristics production methods