00515naa#a2200181#i#450# EN\\bibl\80694 20250131041652.5 2076-0655 20150925b2015####ek#y0engy0150####ca RUS RU Structure determine criteria of oxide glasses Journal article Moscow Individual Entrepreneur Svetlana Vasilievna Samchenko 2015 7 с. Journal article local Medvedev E F Melkonyan R G tsilicates.ru