00794naa#a2200193#i#450# EN\\bibl\29722 20241211140442.3 2071-7318 20160225b2016####ek#y0engy0150####ca RU STUDY OF THE DEGRADATION OF THE NANOSTRUCTURE OF C-S-H-PHASES OF THE MODIFIED CEMENT STONE IN THE PROCESS OF DECALCIFICATION Journal article Belgorod Belgorod State Technological University named after V.G. Shukhov 2016 6 с. Journal article local Строительство. Строительные материалы. Строительно-монтажные работы. 69 Shoshin Evgeniy Aleksandrovich Polyakov Andrey Vladimirovich Burov A.M. zh-szf.ru