1. Biofuels;Demirbas,2009
2. Biomass for renewable energy, fuels and chemicals;Klass,1998
3. WEC, World Energy and Climate Policy: 2009 Assessment. World Energy Council: London (UK); 2009.
4. The Energy Independence and Security Act of 2007, Pub. L. No. 110-40 H.R. 6, 121 Stat. 1492; January 7, 2007.
5. BRDI, Roadmap for bioenergy and biobased products in the United States. Biomass research and development initiative; October 2007.