TY JOUR TI To determine the thickness of the layer of cleaned material on the sieve KW separation KW flat screen KW granular medium. JO Actual directions of scientific researches of the XXI century: theory and practice AU Bykov, V.. AU Kutishchev, D.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov