@article{24313,
      url = {http://digitallibrary.un.org/record/24313},
      title = {Differential treatment in the context of the generalized  system of preferences : study /},
      publisher = {UN,},
      recid = {24313},
      pages = {iii, [19] p., including annexes :},
      address = {Geneva :. 1981-02-23},
      year = {1981},
      month = {Feb},
}