TY JOUR TI Efficiency of measures for improvement of centering of a conic mill with a liquid filler for crushing of stubs KW chips KW tapered milling KW grinding stumps JO Actual directions of scientific researches of the XXI century: theory and practice AU Fokin, S.. AU SHportko, O.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov