TY JOUR TI Some results of ways efficiency disintegration rocks KW rocks KW disintegration KW crushers KW technical level. JO Actual directions of scientific researches of the XXI century: theory and practice AU Voronin, I.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov