TY JOUR TI Research of influence of diameter of the log on bark thickness KW barking,bark KW bass KW polynomial function JO Actual directions of scientific researches of the XXI century: theory and practice AU Gazizov, A.. AU Abubyakyarova, D.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov