@article{67628,
      author = {MacPhee, Craig R.},
      url = {http://digitallibrary.un.org/record/67628},
      title = {Evaluation of the implementation, maintenance, improvement  and utilization of the generalized system of preferences :  evaluation of the trade effects of the generalized system  of preferences : study /},
      publisher = {UN,},
      recid = {67628},
      pages = {ii, 22, [7] p, :},
      address = {Geneva :. 1984-01-19},
      year = {1984},
      month = {Jan},
}