@article{28628,
      author = {Hamza, Mahmoud Abdel-Bari.},
      url = {http://digitallibrary.un.org/record/28628},
      title = {Review of the preferential arrangements established under  the GATT protocol relating to trade negotiations among  developing countries : study /},
      publisher = {UN,},
      recid = {28628},
      pages = {iv, [49] p., including annex :},
      address = {Geneva :. 1981-10-27},
      year = {1981},
      month = {Oct},
}