@article{196688,
      note = {Cover title.},
      author = {Kunk, Michael J. and Henry, Christopher D. and Cortesini,  Henry.},
      url = {http://library.usi.edu/record/196688},
      title = {⁴⁰Ar/³⁹Ar age-spectrum data for the Davis  Mountains, Trans-Pecos volcanic field, Texas [microform] /},
      publisher = {U.S. Dept. of the Interior, Geological Survey ;},
      recid = {196688},
      pages = {202 leaves :},
      address = {[Reston, Va.?] :},
      year = {1994},
}