00447naa#a2200157#i#450# EN\\bibl\80803 20241121235330.4 2076-0655 20180625b2018####ek#y0engy0150####ca ENG RU ABSTRACTS OF PAPERS PUBLISHED IN ISSUE Journal article Moscow Individual Entrepreneur Svetlana Vasilievna Samchenko 2018 1 с. Journal article local tsilicates.ru