%0 Journal Article %T Rationale directions refinement of the mathematical model group bark timber for debarking of long vehicles %A Kunitskaya, O.A. %A Lukin, A.. %K woodyard, drum debarking, the manufacturing of wood chips. %J Actual directions of scientific researches of the XXI century: theory and practice %D 2015 %N 3 %P 3 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov