1. IPCC Report, Climate Change 1995, Working Group II, the 2nd Assessment Report of IPCC, 1996.
2. IBID, Chapter 19, pp. 603–609, 1996.
3. Energy, The Biomass Options;Bungay,1981
4. FAO. The Challenge of Sustainable Forest Management, 1993.
5. Renewable Energy;Hall,1993