@article{424647,
      author = {Tweeten, Luther G. and Thompson, Stanley R.},
      url = {http://library.usi.edu/record/424647},
      title = {Agricultural policy for the 21st century/},
      publisher = {Iowa State Press,},
      recid = {424647},
      pages = {xii, 309 p. :},
      address = {Ames :},
      year = {2002},
}