TY JOUR TI HYDRAULIC ENERGY RECOVERY IN A TRACTOR-CLUTCH DEVICE OF TIMBER TRUCK WITH A TRAILER KW JO Forestry Engineering Journal AU Nikonov, V.O. AU Posmetev, V.I. AU Yakovlev, K.. PY 2019 IS 8 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov