@article{714656,
      note = {Includes internal administrative boundaries.},
      url = {http://digitallibrary.un.org/record/714656},
      title = {Sudan [cartographic material]},
      publisher = {Cartographic Section, DPI},
      recid = {714656},
      pages = {1 map :},
      address = {[New York] :. 1992-11},
      year = {1992},
      month = {Nov},
}