@article{258841,
      note = {Includes province boundaries.},
      url = {http://digitallibrary.un.org/record/258841},
      title = {Sudan [cartographic material]},
      publisher = {UN,},
      recid = {258841},
      pages = {1 map :},
      address = {[New York] :. 1997-12},
      year = {1997},
      month = {Dec},
}