00531naa#a2200181#i#450# EN\\bibl\80686 20250115235536.3 2076-0655 20150625b2015####ek#y0engy0150####ca RUS RU Influence of superplasticizer on ettringite crystal morphology Journal article Moscow Individual Entrepreneur Svetlana Vasilievna Samchenko 2015 4 с. Journal article local Samchenko S V Makarov E M tsilicates.ru