1. 1F. H. Norton , Refractories , 3d ed. , revised, pp. 492 -93 . McGraw-Hill Book Co., Inc., New York, 1949 . 492 pp.; Ceram. Abstr., 1950, July, p. 145a.
2. EFFECT OF COMPOUNDS OF SULFUR ON REHEAT VOLUME CHANGE OF FIRE-CLAY AND HIGH-ALUMINA REFRACTORIES
3. SECONDARY EXPANSION OF HIGH-ALUMINA REFRACTORIES*
4. 4B. M. Sedalia , "Bauxite versus Diaspore Clay in High-Alumina (70%) Refractory Brick"; unpublished M.Sc. thesis , School of Mines and Metallurgy, University of Missouri, Rolla, Mo.; pp. 93 -96 . 93 pp.
5. 5Pierre Lebeau, and F. Trombe , Les Hautes Temperatures et Leurs Utilisations en Chimie (High Temperatures and Their Applications in Chemistry) , Vol. II , pp. 1181 and1181 . Masson et Cie, Paris, 1950 ; Ceram. Abstr., 1951, June, p. 113f.