TY JOUR TI Model to evaluate fractional composition of bark in grinding process KW grinding KW bark KW preparation for briquetting JO Actual directions of scientific researches of the XXI century: theory and practice AU Bastrikov, D.V. AU Katsadze, V.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov