TY JOUR TI The increase in the yield of commercial timber from round timber with internal rot KW methods of bucking of stems KW heart rot KW whip KW debarking of roundwood KW inspection KW 3D scanner KW transportation KW chips technology JO Forestry Engineering Journal AU Frolov, I.S. PY 2017 IS 6 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov