1. Methods of Soil Analysis;Black;Am. Soc. Agron., Madison, Wisc.,1965
2. The measurement of soil water diffusivity;Bruce,1956
3. Measurement of contact angle of water in soils and sand;Dhanpal;J. Ind. Soc. Soil Sci.,1971
4. The Hydraulics of Surface Irrigation;Farrell,1963
5. Effect of electrolyte concentration and exchangeable sodium percentage on diffusivity of water in soils;Gardner;Soil Sci.,1959