00606naa#a2200205#i#450# EN\\bibl\80733 20241123185725.6 2076-0655 20160925b2016####ek#y0engy0150####ca RUS RU The study of the structure of the original glass to produce silica fibers Journal article Moscow Individual Entrepreneur Svetlana Vasilievna Samchenko 2016 5 с. Journal article local Mulevanov S V Nartsev V M Beinarovich O F Gavrikova I N tsilicates.ru