1. Runoff and soil loss on a sandveld in Rhodesia;Barnes;Grassl. Soc. S. Afr. Proc.,1970
2. Rainfall parameters for soil loss estimation in a subtropical climate;Elwell;J. Agr. Eng. Res.,1973
3. Rainfall parameters to predict surface runoff yeilds and soil losses from selected field plot studies;Elwell;Rhodesian J. Agr. Res.,1973
4. Rainfall parameters and a cover model to predict runoff and soil loss from sandveld grazing trials in Rhodesia;Elwell;Grassl. Soc. S. Afr. Proc.,1974
5. The design of field experiments on soil erosion;Hudson;J. Agr. Eng. Res.,1957