1. 1986. Cold Hearths and Barren Slopes: The Woodfuel Crisis in the Third World, Zed Books: London.
2. 1995. The woodfuel problem. In Development Studies, (ed.). Wiley: Chichester; 200-215.
3. Declining tree stocks in African countries
4. 1984. Fuelwood consumption and deforestation in African Countries, World Bank Staff Working Paper No. 704. (World Bank: Washington, DC.)
5. 1985. Agricultural Residues as Fuel in the Third World, Earthscan/IIED: London.