TY JOUR TI Research of sawn decorative timber production technology from round logs KW sawing technology KW decorative timber material KW round log KW mathematical model KW volumetric yield of sawn timber JO Actual directions of scientific researches of the XXI century: theory and practice AU Sharapov, E.. AU Smirnova, E.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov