@article{121648,
      author = {Dolton, G. L.},
      url = {http://library.usi.edu/record/121648},
      title = {Estimates of undiscovered recoverable conventional  resources of oil and gas in the United States /},
      publisher = {U.S. Dept. of the Interior, Geological Survey ;},
      recid = {121648},
      pages = {iv, 87 p. :},
      address = {[Reston, Va.?] :},
      year = {1981},
}