00471naa#a2200169#i#450# EN\\bibl\12092 20260117135802.6 1609-3178 20160624b2016####ek#y0engy0150####ca RUS RU Fluorescent Penetrant Testing: Modern Technologies and Equipment Journal article Saint-Petersburg LLC SVEN 2016 6 с. Journal article local Sayfutdinov Sagit naukaru.ru