@article{121916,
      recid = {121916},
      author = {Sohl, Norman F. and Wright, W. B.},
      title = {Changes in stratigraphic nomenclature by the U.S.  Geological Survey, 1976 /},
      publisher = {Dept. of the Interior, Geological Survey : for sale by the  Supt. of Docs., U.S. Govt. Print. Off.,},
      address = {Washington :},
      pages = {iv, 151 p. :},
      year = {1977},
      url = {http://library.usi.edu/record/121916},
}