@article{199024,
      recid = {199024},
      author = {Izett, Glen Arthur, and Obradovich, John D.},
      title = {♯°Ar-©⁹Ar dating of the Jaramillo Normal Subchron and the  Matuyama and Brunhes geomagnetic boundary [microform] /},
      publisher = {U.S. Dept. of the Interior, Geological Survey :},
      address = {[Denver, Colo.] :},
      pages = {22 leaves :},
      year = {1992},
      note = {Distributed to depository libraries in microfiche.},
      url = {http://library.usi.edu/record/199024},
}