TY JOUR TI Description of construction and operation of a test model for grinding chippers forest residues KW chips KW forest residues KW machine for grinding forest residues JO Actual directions of scientific researches of the XXI century: theory and practice AU Fokin, S.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov