@article{323292,
      author = {Southgate, Douglas DeWitt, and Graham, Douglas H. and  Tweeten, Luther G.},
      url = {http://library.usi.edu/record/323292},
      title = {The world food economy /},
      publisher = {Blackwell,},
      recid = {323292},
      pages = {xiii, 402 p. :},
      address = {Malden, MA :},
      year = {2007},
}