00562naa#a2200181#i#450# EN\\bibl\24754 20240803102542.6 1609-3178 20190114b2019####ek#y0engy0150####ca RU The Attained Level and Ability of Scientific and Technological Development of Gamma-Radiography Journal article Saint-Petersburg LLC SVEN 2019 4 с. Journal article local Kuzelev Nikolay R. Sahanov Anatoly S. Chepaykin Ivan Alekseevich naukaru.ru