TY JOUR TI Substantiation of parameters of mechanism with hydro-pulsating drive for the removal of stumps KW mechanism KW hydropulsator KW hydraulic cylinder KW working body KW stump JO Forestry Engineering Journal AU Bakaev , A.. AU Druchinin, D.Y. AU Popikov, V.P. AU Belyaeva , I.. PY 2014 IS 4 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov