00618naa#a2200193#i#450# EN\\bibl\80683 20241204215538.3 2076-0655 20150625b2015####ek#y0engy0150####ca RUS RU The influence of additives in Portland cement glinit from polymineral clay on the properties of hardened cement paste Journal article Moscow Individual Entrepreneur Svetlana Vasilievna Samchenko 2015 5 с. Journal article local Rakhimov R Z Rakhimova N R Gayfullin A R tsilicates.ru