@article{1393911,
      author = {Hudson, John C., and Laingen, Christopher R.,},
      url = {http://library.usi.edu/record/1393911},
      title = {American farms, American food : a geography of agriculture  and food production in the United States /},
      recid = {1393911},
      pages = {1 online resource (159 pages) :},
}