@article{1629215,
      note = {Includes notes. },
      url = {http://digitallibrary.un.org/record/1629215},
      title = {South America International river basins, including  section of rivers/lakes forming international boundaries  [cartographic material] :},
      publisher = {UN,},
      recid = {1629215},
      pages = {1 map :},
      address = {[New York] :. 1977-03},
      year = {1977},
      month = {Mar},
}