TY JOUR TI Simulation of Natural and Industrial Research in Problems of Primary Timber Transportation in the Highlands KW primary forest transportation KW hauling wood KW mountain logging JO Actual directions of scientific researches of the XXI century: theory and practice AU Chernykh, A.S. AU Abramov, V.V. AU Bondarenko, A.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov