@article{64803,
      author = {Popenoe, W. P.},
      url = {http://library.usi.edu/record/64803},
      title = {Correlation of the cretaceous formations of the Pacific  Coast (United States and Northwestern Mexico) /},
      publisher = {Geological Society of America,},
      recid = {64803},
      pages = {[50 p.] :},
      address = {New York :},
      year = {1960},
}