J. V. Treese, II, E. A. Hanlon, N. Y. Amponsah, J. L. Izursa, and J. C. Capece, “Energy Valuation Methods for Biofuels in South Florida: Introduction to Life Cycle Assessment and Emergy Approaches: SL377/SS579, 3/2013”, EDIS, vol. 2013, no. 3, Mar. 2013.