TY JOUR TI The comparative analysis of the effectiveness of forestry motor transport using the traffic simulation program KW forestry lorry KW methods of tractive calculations KW motion modeling KW motion indicators KW unsteady motion. JO Actual directions of scientific researches of the XXI century: theory and practice AU Kuznetsov, A.. AU Skrypnik, V.. AU Vasilev, A.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov