@article{714394,
      note = {Includes province boundaries.},
      url = {http://digitallibrary.un.org/record/714394},
      title = {Sudan [cartographic material].},
      publisher = {UN,},
      recid = {714394},
      pages = {1 map ;},
      address = {[New York] :. 1978-03},
      year = {1978},
      month = {Mar},
}