Fuentes de interés

• Pirog, Rich, and Andrew Benjamin. "Checking the Food Odometer: Comparing Food Miles for Local Versus Conventional Produce Sales in Iowa Institutions." Leopold Center for Sustainable Agriculture. July, 2003.
• Ibid.
• Jerardo, Alberto. "The Import Share of U.S. Consumed Food Continues to Rise." USDA Economic Research Service. July, 2002.
• Leopold Center. "Food Facts: Results from Marketing and Food Systems Research." Iowa State University. March, 2008. p11 (accessed online 8/16/08).
• Meter, Ken. "A brief history of the 'Finding food in farm country' studies." Crossroads Resource Center. September, 2005. p2 (accessed online 8/17/08).
• United States Department of Agriculture. "2002 Census of Agriculture." Table 1: Historical Highlights: 2002 and Earlier Census Years. 2002 (accessed online December 22, 2008).
• Economic Impact of Maine Food System and Farm Vitality Policy Implications. A Report to the Joint Standing Committee on Agriculture, Conservation, and Forestry, Second Regular Session of the 120th Maine Legislature. November, 2002.
• Food and Water Watch. "Fact Sheet: Eat Local, Good for Your Health, Good For Your Community." p2, (accessed online 7/29/08).
• Meter, Ken. "U.S. Food and Market Highlights." Crossroads Resource Center. September, 2006. p1 (accessed online on 7/29/08).
• Food and Water Watch. "Fact Sheet: Eat Local, Good for Your Health, Good For Your Community." p2 (accessed online 7/29/08).
• Heller, Martin C., and Gregory A. Keoleian. "Life Cycle-Based Sustainability Indicators for Assessment of the U.S. Food System." Ann Arbor, MI: Center for Sustainable Systems, University of Michigan, 2000: 42.
• Leopold Center. "Food Facts: Results from Marketing and Food Systems Research." Iowa State University. March, 2008. p.11 (accessed online 8/16/08)
• 3 LaSalle, Tim, Hepperly, Paul, and Diop, Amadou. "The Organic Green Revolution." Rodale Institute. p3(accessed online 1/4/09).
• Meter, Ken. "A brief history of the 'Finding food in farm country' studies." Crossroads Resource Center. September, 2005. p2 (accessed online 8/17/08).
• Meter, Ken. "Finding Food in California: local gains, systemic losses." Crossroads Resource Center. January, 2005. p.8 (accessed online 8/17/08).
• Flore, Jan L., Carol J. Hodne, Willis Goudy, David Osterberg, James Klienbenstein, Kendall M. Thu, and Shannon P. Marquez, "Social and Community Impacts," in Iowa Concentrated Animal Feeding Operations Air Quality Study: Final Report. Environmental Health Sciences Research Center, University of Iowa, 2003: 148.
• Herriges, Joseph A., Silvia Secchi, and Bruce A. Babcock. "Living with Hogs in Iowa: The Impact of Livestock Facilities on Rural Residential Property Values." Center for Agricultural and Rural Development, Iowa State University. Ames, Iowa, 2003.
• Pirog, Rich, and Andrew Benjamin. "Checking the Food Odometer: Comparing Food Miles for Local Versus Conventional Produce Sales in Iowa Institutions." Leopold Center for Sustainable Agriculture, July 2003.
• Pretty, Jules. "Some Benefits and Drawbacks of Local Food Systems." Briefing Note for TVU/Sustain AgriFood Network, November 2, 2001.
• Environmental Protection Agency. "Ag 101, Land Use Overview." EPA. January 2004.