@article{258393,
      url = {http://digitallibrary.un.org/record/258393},
      title = {Sao Tomé and Príncipe : archipelagic baselines  [cartographic material]},
      publisher = {UN,},
      recid = {258393},
      pages = {1 map :},
      address = {[New York] :. 1989-01},
      year = {1989},
      month = {Jan},
}