@article{199026,
      recid = {199026},
      author = {Kunk, Michael J. and Cortesini, Henry.},
      title = {⁴⁰Ar/³⁹Ar age-spectrum data for whole rock basalts, and  plagioclase and biotite from tephra a traverse down the  Porcupine River, east-central Alaska / [microform] :},
      publisher = {U.S. Dept. of the Interior, Geological Survey ;},
      address = {Reston, Va. :},
      pages = {81 leaves :},
      year = {1992},
      note = {Distributed to depository libraries in microfiche.},
      url = {http://library.usi.edu/record/199026},
}