1. Sweden's Case Study for the U.N. Conference on the Human Environment. Air Pollution Across National Boundaries. The Impact on the Environment of Sulfur in Air and Precipitation;Anonymous,1971
2. Cation exchange equilibria of calcium and magnesium;Beckett;Soil Sci.,1965
3. Studies in soil potassium V: the stability of Q/I relationships;Beckett;Plant Soil,1966
4. Adsorption and desorption phenomena of sulfate ions in soils;Chao,1962
5. The pH-percent base saturation relationships of soils;Clark,1964