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Lawrence, P. (2005) Improving community spate irrigation. Project Report. HR Wallingford Ltd.
Lawrence, P. (2004) Guidelines for predicting and minimising sedimentation in small dams. Project Report. HR Wallingford Ltd.
Lawrence, P. (2004) Sedimentation in small dams. Development of a catchment characterisation and sediment yield prediction procedure. Project Report. HR Wallingford Ltd.
Lawrence, P. (2004) Sedimentation in small dams. Estimating the impact of catchment conservation, check dams and sediment bypassing in reducing dam siltation rates. Project Report. HR Wallingford Ltd.
Lawrence, P. (2004) Sedimentation in small dams. Hydrology and drawdown computations. Project Report. HR Wallingford Ltd.
Lawrence, P. (2004) Sedimentation in small dams. Impacts on the incomes of poor rural communities. Project Report. HR Wallingford Ltd.
Abbott, C. and Lawrence, P. and Pearce, G. and Abdel-Gawad, S. (2002) Review of the potential for controlled drainage around the world. Project Report. HR Wallingford Ltd.
Douglas, M. and Lawrence, P. (1997) Planning soil conservation projects through participation: a guide. Project Report. HR Wallingford.
Lawrence, P. (1996) Guidelines on field measurement procedures for quantifying catchment sediment yields. Project Report. HR Wallingford Ltd.
Fish, I.L. and Lawrence, P. and Atkinson, E. (1986) Sedimentation in the Chatra Canal, Nepal (OD85). Technical Report. Hydraulics Research, Wallingford.
Lawrence, P. (1987) Sediment control in wadi irrigation systems. In: Subregional Expert Consultation on Wadi Development for Agriculture in the Natural Yemen, 6-10 December 1987, Aden, PDR Yemen.