@article{872166,
      recid = {872166},
      title = {Maps of the Orinoco-Essequibo region, South America /},
      pages = {1 online resource (3 pages, 76 leaves of plates) :},
      note = {Vol. 4 of the Commission's Report.},
      url = {http://library.usi.edu/record/872166},
}