@article{121028,
      recid = {121028},
      author = {Pepper, James F. and Clark, Sandra H. B. and De Witt,  Wallace,},
      title = {Nodules of diagenetic barite in Upper Devonian shales of  western New York /},
      publisher = {U.S. Geological Survey ;},
      address = {[Reston, Va.] :},
      pages = {v, 11 p. :},
      year = {1985},
      url = {http://library.usi.edu/record/121028},
}