TY JOUR TI Methods of definition volumetric output coefficient of workpieces from pine saw-timbers KW saw-timbers KW workpieces KW modelling KW volumetric output coefficient. JO Actual directions of scientific researches of the XXI century: theory and practice AU Krivoshchekov, N.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov