@article{198973,
      note = {Distributed to depository libraries in microfiche.},
      author = {Cox, Dennis P.},
      url = {http://library.usi.edu/record/198973},
      title = {Copper resources in secondary enrichment blankets at  Tanamá, Puerto Rico [microform] /},
      publisher = {U.S. Dept. of the Interior, U.S. Geological Survey ;},
      recid = {198973},
      pages = {5 leaves :},
      address = {[Menlo Park, Calif.] :},
      year = {1992},
}