Robert D. Perlack (Oak Ridge National Laboratory Environmental Sciences Division),Lynn L. Wright (Oak Ridge National Laboratory Environmental Sciences Division),Anthony F. Turnhollow (Oak Ridge National Laboratory Environmental Sciences Division),Robin L. Graham (Oak Ridge National Laboratory Environmental Sciences Division),Bryce J. Stokes (U.S. Forest Service),Donald C. Erbach (U.S. Department of Agriculture Agricultural Research Service) 2005: Biomass as Feedstock for a Bioenerby and Bioproducts Industry: The Technical Feasibility of a Billion-Ton Annual Supply, <http://www1.eere.energy.gov/bioenergy/pdfs/final_billionton_vision_report2.pdf>