1. Ionic concentrations and activities in soil solutions;Adams;Soil Sci. Soc. Am. Proc.,1971
2. Soil solution;Adams,1974
3. Thermodynamics and ion exchange phenomena;Argersinger;Trans. Kans. Acad. Sci.,1950
4. Influence of the plant root on ion movement in soils;Barber,1974
5. Soil nutrient bioavailability: A mechanistic approach;Barber,1984