1. The relation between chemical composition and physical characteristics of some Hawaiian soils;Andrews;Proc. Int. Conf. Soil Mech. Found. Eng., 1st, Cambridge, Mass.,1936
2. Chemistry of Soils;Bear,1955
3. Ion-exchange phenomenon in some soils containing amorphous constituents;Birrel;J. Soil Sci.,1956
4. Ghana soils;Brammer,1962
5. Classification and identification of soils;Casagrande;Proc. Am. Soc. Civ. Eng.,1948