1. Frisch , N. W. Proc. 16th Annu. Water Conf. Engrs Soc., Western Pa. 1955 97
2. Morrison , W. S. Proc. 14th Annu. Water Conf. Engrs Soc., Western Pa. 1953 35
3. Gilwood , M. E. Calmon , C. Greer , A. H. Proc. 12th Annu. Water Conf. Engrs Soc., Western Pa. 1951 119
4. Determination of the total capacities of strongly basic anion-exchange resins