@article{229695,
      note = {"This volume is published as chapters A-C. These chapters  are not available separately."},
      author = {Dyman, T. S. and Tysdal, Russell G. and Cobban, William  A.,},
      url = {http://library.usi.edu/record/229695},
      title = {Contributions to Late Cretaceous stratigraphy and  paleontology, western Montana.},
      publisher = {U.S. G.P.O. ;},
      recid = {229695},
      pages = {vi, 26 p. :},
      address = {Washington, D.C. :},
      year = {1991},
}