00708naa#a2200193#i#450# EN\\bibl\824 20241109022136.6 2222-7962 20131212b2013####ek#y0engy0150####ca RUS RU Justification operation modes of column rotation mechanism of forest manipulator with energy-saving hydraulic drive Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2013 4 с. Journal article local Bukhtoyarov Leonid Dmitrievich Dolzhenko Sergey Popikov Viktor Petrovich zh-szf.ru