@article{230896,
      recid = {230896},
      author = {Kelly, Valerie J. and Lynch, Dennis D. and Rounds,  Stewart.},
      title = {Sources and transport of phosphorus and nitrogen during  low-flow conditions in the Tualatin River, Oregon, 1991-93  /},
      publisher = {U.S. Dept. of the Interior, U.S. Geological Survey ;},
      address = {Reston, Va. :},
      pages = {vii, 94 p. :},
      year = {1999},
      note = {Shipping list no.: 2000-0175-P.},
      url = {http://library.usi.edu/record/230896},
}