@article{131963,
      recid = {131963},
      author = {Porter, Donna Viola. and Earl, Robert O.},
      title = {Nutrition labeling : issues and directions for the 1990s  /},
      publisher = {National Academy Press,},
      address = {Washington, D.C. :},
      pages = {xv, 355 p. :},
      year = {1990},
      url = {http://library.usi.edu/record/131963},
}