1. Physical geography: a systems approach;Chorley,1971
2. Cooperative runoff and sediment investigations on Medicine Creek Watershed in Nebraska;Dvorak;US Department of Agriculture, Report,1967
3. Rates of soil wash under a Savanna climate, Zaria, Northern Nigeria;Leow;Summaries of papers (Kano, 24th Annual Conference of the Nigerian Geographical Association),1981
4. Man's impact on stream regimen quality;Mrowka,1974
5. The effects of the Tiga Dam and reservoir on the flow and channel characteristics of River Kano in downstream areas, Kano State Nigeria;Olofin;Paper presented at the Pre-Congress Symposium of the IHP-IGU, Tsukuba, Japan,1980