00638naa#a2200181#i#450# EN\\bibl\2184 20240603121246.1 2308-8877 20140510b2014####ek#y0engy0150####ca RUS RU Effect of the additive waste of soapstone processing on the strength and stiffness of wood-cement material Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2014 2 с. Journal article local Andreev A. Chalkin Andrey naukaru.ru