1. 1H. H. Murray, S. C. Lyons, and Swineford ; pp.31 -40 inClays and Clay Minerals, Proceedings 4th National Conference, 1955. National Academy of Sciences-National Research Council, Publication No. 456, Washington, D. C., 1956 .
2. NATURE OF GEORGIA KAOLIN: I, EVIDENCE OF CHEMICAL AND COLLOIDAL ANALYSIS*