1. Geomorphological factors and on-site indicators as aids to soil surveys;Elweil;Rhodesian Engineer, Paper No. 169,1975
2. Parameters for estimating annual runoff and soil loss from agricultural lands in Rhodesia;Elwell;Water Resources Research,1975
3. Soil erosion potential: The overview;Stocking,1975
4. Tunnel erosion;Stocking;Rhodesia Agricultural Journal,1976
5. Rainfall energy in erosion; some problems and prospects;Stocking,1977