00679naa#a2200217#i#450# EN\\bibl\36832 /en/manage/index 20250310125554.1 1609-3178 20200408b2020####ek#y0engy0150####ca RU Use of Radiography Techniques to Analyze the Quality of Beryllium Parts Welding Journal article Saint-Petersburg LLC SVEN 2020 4 с. Journal article local Eliseev Daniil Pavlovich Leonova Tatyana G. Fedorovich Sergey N. Filippov Aleksandr Yu. Scherbak Aleksandr G. test.editorum.ru /en/manage/index