00777naa#a2200205#i#450# EN\\bibl\29311 20240518105445.6 2071-7318 20160625b2016####ek#y0engy0150####ca RU IMPROVING THE EFFICIENCY OF CONCRETE THROUGH THE APPLICATION OF ADDITIVES OF VARIOUS NATURE Journal article Belgorod Belgorod State Technological University named after V.G. Shukhov 2016 4 с. Journal article local Строительство. Строительные материалы. Строительно-монтажные работы. 69 Botsman L. N. Strokova V. V. Ischenko A.V. Bocman A.N. bulletinbstu.editorum.ru