TY JOUR TI The study of damage tree trunks when performing logging on non-timber harvesting KW transportation of roundwood KW damaging forests. JO Actual directions of scientific researches of the XXI century: theory and practice AU Bondarenko, A.. AU Chernykh, A.S. AU Abramov, V.V. AU Serebryanskiy, A.I. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov