@article{241143,
      recid = {241143},
      author = {Bartow, J. Alan.},
      title = {Neogene time scale [microform] /},
      publisher = {U.S. Geological Survey,},
      address = {[Menlo Park, Calif.] :},
      pages = {1 chart :},
      year = {1990},
      note = {Black line print.},
      url = {http://library.usi.edu/record/241143},
}