00574naa#a2200181#i#450# EN\\bibl\10067 20241223161616.1 2308-8877 20151203b2015####ek#y0engy0150####ca RUS RU Frequency regulation bulk hydraulic pump Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2015 4 с. Journal article local Kozhukhova A. Nevzorova M. naukaru.ru