1. Ionic concentrations and activities in soil solutions;Adams,1971
2. Theory of the chemical properties of soil colloidal systems at equilibrium;Babcock;Hilgardia,1963
3. Solubility and solubility product of gypsum in soil solutions and other aqueous solutions;Bennett,1972
4. Solubility and solubility product of dicalcium phosphate dihydrate in aqueous solutions and soil solutions;Bennett,1976
5. Ion Association;Davies,1962