@article{263450,
      recid = {263450},
      author = {Sidder, Gary B.},
      title = {Geologic province map of the Venezuelan Guiana Shield  [microform] /},
      publisher = {U.S. Dept. of the Interior, Geological Survey ;},
      address = {[Menlo Park, CA] :},
      pages = {14 leaves :},
      year = {1990},
      note = {Distributed to the depository libraries in microfiche.},
      url = {http://library.usi.edu/record/263450},
}