1. A field study of soil water depletion patterns in presence of growing soybean roots, I. Determination of hydraulic properties of the soil;Arya,1975
2. Land evaluation for agricultural development;Beek,1978
3. Soil survey and the study of water in unsaturated soil;Bouma,1977
4. Soil morphology and preferential flow along macropores;Bouma;Agr. Water Manage.,1981
5. A case study on infiltration into dry clay soil, I. Morphological observations;Bouma;Geoderma,1978