00521naa#a2200181#i#450# EN\\bibl\80714 20250224051049.1 2076-0655 20160325b2016####ek#y0engy0150####ca RUS RU Silicate modulus as a structure determine criterion Journal article Moscow Individual Entrepreneur Svetlana Vasilievna Samchenko 2016 6 с. Journal article local Medvedev E F Melkonyan R G tsilicates.ru