HIGH ALUMINA REFRACTORIES DEGRADATION AS FUNCTION OF OXYGEN PARTIAL PRESSURE IN SOAKING-PITS FURNACES E. CRIADO, F.J. VALLE et A. CABALLERO J. Phys. Colloques, 47 C1 (1986) C1-575-C1-580 DOI: 10.1051/jphyscol:1986187