TY JOUR TI Evaluation of some characteristics of wheeled forestry machinery KW forwarders KW vehicle power KW tractive force KW bearing capacity JO Actual directions of scientific researches of the XXI century: theory and practice AU Bozhbov, V.. AU Ustinov, V.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov