1. ACMAD (2007) July-August-September Total Rainfall Forecast PRESAO-10. Updated May 30, 2007. African Centre of Meteorological Application for Development. Available via http://www.acmad.ne/en/climat/PRESAO10-may07_en.pdf . Accessed 17 Sept 2008
2. ACMAD (2008) July-August-September Total Rainfall Forecast PRESAO-10. Updated May 30, 2008. African Centre of Meteorological Application for Development. Available via http://www.acmad.ne/en/climat/PRESAO10-may08_en.pdf . Accessed 17 Sept 2008
3. Adams AM, Evans TG, Mohammed R, Farnsworth J (1997) Socioeconomic stratification by wealth ranking: is it valid? World Dev 25:1165–1172
4. Adeel Z (2006) Cited in Mongabay. Looming desertification could spawn millions of environmental refugees: Africa may be able to feed only 25% of its population by 2025. December 14
5. Archer E, Mukhala E, Walker S, Dilley M, Masamvu K (2007) Sustaining agricultural production and food security in Southern Africa: an improved role for climate prediction? Clim Change 83:287–300