00711naa#a2200193#i#450# EN\\bibl\8345 20260328132250.6 2308-8877 20151210b2015####ek#y0engy0150####ca RUS RU Application of mathematical calculations of the packing density of the spheres to the composition of lightweight concrete Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2015 3 с. Journal article local Gavrilenko Andrey Zakrevskaya Lyubov Vladimirovna Dvornikov Ruslan naukaru.ru