Giesy, R., A. C. Wilkie, A. De Vries, and R. A. Nordstedt. “Economic Feasibility of Anaerobic Digestion To Produce Electricity on Florida Dairy Farms: AN159/AN159, 11/2005”. EDIS, vol. 2006, no. 1, May 2019, doi:10.32473/edis-an159-2005.