@article{122193,
      author = {Birkeland, Peter W. and Burke, R. M. and Shroba, R. R.},
      url = {http://library.usi.edu/record/122193},
      title = {Holocene alpine soils in gneissic cirque deposits,  Colorado Front Range /},
      publisher = {U.S. G.P.O. ;},
      recid = {122193},
      pages = {v, 21 p. :},
      address = {Washington :},
      year = {1987},
}