@article{722811,
      note = {Inset: Air routes and air fields.},
      url = {http://digitallibrary.un.org/record/722811},
      title = {Erythree : voies de transport principales [cartographic  material]},
      publisher = {UN,},
      recid = {722811},
      pages = {1 map :},
      address = {[New York] :. 1949-12},
      year = {1949},
      month = {Dec},
}