1. Annual Energy Review 1993;U.S. Department of Energy/Energy Information Administration;DOE/EIA-0384(92),1993
2. DOE Estimates of U.S. Wood Energy Consumption from 1949 to 1981;U.S. Department of Energy/Energy Information Administration;DOE/EIA-0341,1992
3. Present and Future Utilization of Biomass and its Costs;Overend,1991
4. Electricity from Biomass: National Biomass Power Program FiveYear Plan (FY 1994–FY 1998);U.S. Department of Energy,1993
5. 1991 Annual Energy Outlook-with Projections to 2010;U.S. Department of Energy/Energy Information Administration;DOE/EIA-0383(91),1991