1. Developing biofuels: Federal programs;Conway,1992
2. Conversion of biomass to fuel and energy;Harris,1992
3. Production technology status of woody and herbaceous crops;Wright;Biomass and Bioenergy,1994
4. Powering the Midwest: Renewable Electricity for the Economy and the Environment;Brower,1993
5. Toward Ecological Guidelines for Large-scale Biomass Energy Development;Beyea,1991