00438naa#a2200157#i#450# EN\\bibl\29458 20260318185026.3 1609-3178 20190701b2019####ek#y0engy0150####ca RU Studying of Bases and Training of NDT Specialists Journal article Saint-Petersburg LLC SVEN 2019 3 с. Journal article local Bendikov Aleksandr V. zh-szf.ru