TY JOUR TI PLASTER-MAGNETITE COMPOSITES FOR PROTECTION AGAINST IONIZING RADIATION KW iron ore concentrate of Lebedinsky GOK KW cement plaster KW insoluble anhydrite KW linear and mass attenuation coefficients KW effective heat conductivity KW X-ray protection materials JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Klimenko, V.. AU Gasanov, S.K. AU Kashin, G.A. AU Mamin, S.N. PY 2017 IS 2 PB Belgorod State Technological University named after V.G. Shukhov