%0 Journal Article %T Key environmental and forestry requirements chippers milling type grinding wood %A Fokin, S.. %K chips, milling machine type, grinding logging residues and stumps %J Actual directions of scientific researches of the XXI century: theory and practice %D 2015 %N 3 %P 2 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov