00622naa#a2200181#i#450# EN\\bibl\46166 20240517104206.5 2075-1338 20211007b2021####ek#y0engy0150####ca RU Software Package for Calculation of Protection Against Bremsstrahlung of Extended Beta Sources Journal article Moscow Scientific-Production Enterprise “Dosa” 2021 10 с. Journal article local Медицина. Охрана здоровья. 61 Izgagin Vyacheslav S. Zhukovskiy Mihail V. doza.editorum.ru