1. Energy Independence and Security Act of 2007, H.R. 6, 110 US Congress (January 4, 2007).
2. High-value renewable energy from prairie grasses;McLaughlin;Environ Sci Technol,2002
3. The economic impacts of bioenergy crop production on U.S. agriculture;De La Torre Ugarte,2003
4. Biomass for a feedstock for bioenergy and bioproducts industry: the technical feasibility of a billion ton annual supply;Perlack,2005
5. Evaluating possible cap and trade legislation on cellulosic feedstock availability;Hellwinckel;GCB Bioenergy,2010