1. Climate change: the IPCC 1990 and 1992 assessments,1991
2. UK Royal Commission on Environmental Protection. Energy—the changing climate. In: 22nd Report of the RCEP; 2000.
3. Biomass energy overview in the context of Brazilian biomass-power demonstration;Elliott;Bioresource Technol,1993
4. Biomass for renewable energy, fuels and chemicals;Klass,1998
5. US Department of Energy. Electricity from biomass—national biomass power program five year plan (FY1994–1998); April 1993.