1. Cation-exchange capacity of acid soils using aluminum chloride and barium chloride-triethanolamine;Alexander;Soil Sci. Soc. Am. J.,1976
2. Organic carbon;Allison,1965
3. Charge distribution and the cation exchange capacity of an iron-rich kaolinitic soil;Barber;J. Soil Sci.,1972
4. Cation exchange equations used in soil science;Bolt;A review. Soil Sci.,1967
5. The basic chemistry of soil acidity;Coleman,1967