TY - BOOK AU - Raymon,N.S. TI - Influence of selected additives and CaO:SiOb2s ratio on high temperature strength of MgO refractories T2 - Report of investigations U1 - 622 s PY - 1982/// CY - Avondale, Md PB - U.S. Dept. of the Interior, Bureau of Mines KW - Refractory materials KW - Oxides KW - Materials at high temperatures KW - Magnesium oxide ER -