TY JOUR TI Improvement in machines for cylindrical shaping of logs KW machine KW wood KW construction KW cylindering logs JO Actual directions of scientific researches of the XXI century: theory and practice AU Nikonov, V.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov