TY JOUR TI PROMISING DIRECTIONS TO INCREASE GRINDING EFFICIENCY IN MACHINE PARTS SURFACES KW efficiency KW abrasive mass KW dispersity KW impregnation KW abrasive disk JO Bulletin of Bryansk state technical university AU Kulinskiy, A.. AU Gusakova , L.. AU Butenko, V.I. PY 2016 IS 2016 PB Bryansk State Technical University