TY JOUR TI Key environmental and forestry requirements chippers milling type grinding wood KW chips KW milling machine type KW grinding logging residues and stumps 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