@article{1628876,
      url = {http://digitallibrary.un.org/record/1628876},
      title = {Bolivie regions de culture de la feuille de coca  [cartographic material] :},
      publisher = {UN,},
      recid = {1628876},
      pages = {1 map :},
      address = {[New York] :. 1950-10},
      year = {1950},
      month = {Oct},
}