TY JOUR TI Analysis of efficiency of modern forest road trains KW forestry lorry KW technical and economic analysis KW conditions of use JO Actual directions of scientific researches of the XXI century: theory and practice AU Kuznetsov, A.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov