@article{271127,
      recid = {271127},
      author = {Griffiths, Peter G. and Webb, Robert H. and Melis,  Theodore S.},
      title = {Initiation and frequency of debris flows in Grand Canyon,  Arizona [microform] /},
      publisher = {U.S. Geological Survey ;},
      address = {Tucson, Ariz. :},
      pages = {iii, 35 p. :},
      year = {1996},
      note = {Shipping list no.: 2003-0344-M.},
      url = {http://library.usi.edu/record/271127},
}