TY JOUR TI DENSITY MODEL OF COMPOSITE MATERIAL BASED ON MAGNESIA BINDER KW magnesite KW magnesia binder KW aggregate KW composite KW building material JO Scientific Papers Collection of the Angarsk State Technical University AU Kuz'min, S.I. AU Golyshev, A.O. PY 2023 IS 2023 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»