TY JOUR TI WALL CERAMICS ON THE BASIS OF LOCAL SOURCES OF RAW MATERIALS AND WASTE OF ENRICHMENT OF THE KMA FERRUTEROUS QUARTZITES KW clay raw materials KW clay KW ferruterous quartzites KW operational properties JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Bondarenko, D.O. AU Sokolova , O.. AU Bondarenko, N.I. AU Bessmertnyy, V.S. AU Klimenko, V.. PY 2016 IS 1 PB Belgorod State Technological University named after V.G. Shukhov