TY JOUR TI Energy saving drive of the forest soil-cultivating unit KW cutting KW cultivator KW vibration KW recuperation JO Actual directions of scientific researches of the XXI century: theory and practice AU Posmetev, V.I. AU Tretyakov, A.I. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov