00561naa#a2200169#i#450# EN\\bibl\24742 20260130221044.5 1609-3178 20190114b2019####ek#y0engy0150####ca RU Direct Digital Radiography for Investigation of Art and Painting Objects: Up-to-Date Potential and Progress in Recent Years Journal article Saint-Petersburg LLC SVEN 2019 2 с. Journal article local Grudskiy Aleksandr Yakovlevich Dech Anton Viktorovich zh-szf.ru