00646naa#a2200205#i#450# EN\\bibl\9706 20241011005539.5 2308-8877 20151122b2015####ek#y0engy0150####ca RUS RU Foam forming admixture in processes of ore beneficiation Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2015 7 с. Journal article local Eszhanov S. Gadzhieva A. Merkulov V. Mantler S. naukaru.ru