TY JOUR TI To justification the quantity of sides of the sieveless hammer crusher case KW sieveless hammer crusher KW working side KW reflecting plate. JO Actual directions of scientific researches of the XXI century: theory and practice AU Sundeev, A.. AU Voronin, V.. AU Akimenko, A.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov