DOE-EERE, 2003. Roadmap for Agriculture Biomass Feedstock Supply in the United States. DOE-EERE, 104 pp. download document

Duffy, M. & D. Smith, 2005. Estimated Costs of Crop Production in Iowa - 2003. Iowa State University Extension, FM 1712, Ames, IA, 13 pp. download document

Ellis, S., W. Edwards & J. Lawrence, 2005. Livestock Enterprise Budgets for Iowa - 2003. Iowa State University Extension, FM 1815, Ames, IA, 25 pp. download document

J.N. Ferris and S.V. Joshi, 2004. Evaluating the impacts of an increase in fuel-ethanol demand on agriculture and the economy. Paper prepared for presentation at the American Agricultural Economics Association Annual Meeting, Colorado, 20 pp. download document

Lynd, L.R., H. Jin, J.G. Michels, C.E. Wymannm and B. Dale, 2002. Bioenergy: Background, Potential, and Policy. A policy briefing prepared for the Center for Strategic and International Studies. download document

Mosier, N., C. Wyman, B. Dale, R. Elander, Y.Y. Lee, M. Holzapple, and M. Ladish, 2005. Features of promising technologies for pretreatment of lignocellulosic biomass. Bioresource Technology 96 (2005) 673-686. download document

Shinners, K.V., B.N. Binversie, and P. Savoie, 2003. Harvest and storage of wet and dry corn stover as a biomass feedstock. Paper Number 036088. American Society of Agricultural Engineers. Annual International Meeting, Las Vegas, 23 pp. download document

Sokhansanj, S. and A.F. Turhollow, 2002. Baseline cost for corn stover collection. Applied Engineering in Agriculture 18(5): 525-530. download document

Sokhansanj, S. and A.F. Turhollow, 2004. Biomass densification - Cubing operations and costs for corn stover. Applied Engineering in Agriculture 20(4): 495-499. download document

Van Ouwerkerk, E.N.J., D.E. James, T.L. Richard, and M.Z. Liebman, 2003. A multi-model approach for sustainable agriculture in the US corn belt. Paper Number 033009, American Society of Agricultural Engineers, Annual International Meeting, Las Vegas, 13 pp. download document

Van Ouwerkerk, E.N.J., M.Z. Liebman, T.L. Richard, G. May, I. Gutierrez-Montes, and D.E. James, 2004. Farm and County Scale Scenarios for Sustainable Agriculture in Western Iowa. Paper Number 043041, American Society of Agricultural Engineers, Annual International Meeting, Ottawa, Canada, 11 pp. download document

Wilhelm, W.W., J.M.F. Johnson, J.L. Hatfield, W.B. Voorhees, and D.R. Linden, 2004. Crop and soil productivity response to corn residue removal: a literature review. Agron. J. 96:1-17. download document

Zhang, Y.P. and L.R. Lynd, 2004. Toward an aggregated understanding of enzymatic hydrolysis of cellulose: noncomplexed cellulase systems. Wiley Perodicals, Inc.. download document