DIN 54113-3:2005
無損檢驗.使用1MV及以下X射線設備的輻射防護規則.第3部分:450kV及以下X射線設備的輻射防護計算公式和圖示
Non-destructive testing - Radiation protection rules for the technical application of X-ray equipment up to 1 MV - Part 3: Formulas and diagrams for the calculation of radiation protection for X-ray equipment up to 450 kV