1. Andrew, A.J., Bullock, A., 1994. Hydrological impact of afforestation in eastern Zimbabwe. Institute of Hydrology, Overseas Development Report No. 94/5, Wallingford, UK.
2. Basin hydrologic response relations to distributed physiographic descriptors and climate;Berger;Journal of Hydrology,2001
3. A review of catchment experiments to determine the effect of vegetation changes on water yield and evaporation;Bosch;Journal of Hydrology,1982
4. Bullock, A., 1988. Dambos and Discharge in Central Zimbabwe. Unpublished Ph.D. Thesis, University of Southampton.
5. Bullock, A., Andrews, A., Mngodo, R., 1997. Regional surface water resources and drought assessment. In: Southern African FRIEND. Technical Documents in Hydrology No 15, UNESCO, Paris.