TY JOUR TI Study of the functioning of timber geometrical measuring systems in landing works KW accounting timber KW mathematical model KW software KW tree trunks KW tree-length KW logs JO Actual directions of scientific researches of the XXI century: theory and practice AU Ilunina, A.A. AU Petrovskiy, V.. AU Baturin, K.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov