1. Acreman M (2004) Water and ecology. In: Dooge J, Selborne J (eds) Water and ethics. Paris, United Nations Educational, Scientific and Cultural Organization (UNESCO)
2. Ashton PJ (2002) Avoiding conflicts over Africa’s water resources. Ambio 31:236–242
3. Ashton PJ (2004) Water and development: a Southern African perspective. In: Trottier J, Slack P (eds) Managing water resources past and present: the 2002 Linacre lectures. Oxford, Oxford University Press, pp 149–174
4. Ashton PJ, Chonguiça E (2003) Issues and trends in the regional harmonization of EIA processes in Southern Africa, with special reference to trans-boundary and cumulative impacts. In: Chonguiça E, Brett R (eds) Assessing the need for a regional approach to environmental impact assessment in Southern Africa. Harare, IUCN Regional Office for Southern Africa, pp 26–59
5. Ashton PJ, Neal MJ (2005) Public involvement in water resource management in the Okavango river basin. In: Brusch C, Jansky L, Nakayama M, Salewicz KA (eds) Public participation in the governance of international freshwater resources. Tokyo, United Nations University Press, pp 169–195