00532naa#a2200169#i#450# EN\\bibl\101534 20260405225620.7 2076-0655 20191222b2019####ek#y0engy0150####ca RU XV International Congress on Cement Chemistry. Selected Papers and Current Issues Journal article Moscow Individual Entrepreneur Svetlana Vasilievna Samchenko 2019 1 с. Journal article local Rakhimov R Z Rakhimova N R tsilicates.ru