@article{216251,
      note = {"National Water-Quality Assessment Program"},
      author = {Shelton, L. R.},
      url = {http://library.usi.edu/record/216251},
      title = {Field guide for collecting samples for analysis of  volatile organic compounds in stream water for the National  Water-Quality Assessment Program /},
      publisher = {U.S. Geological Survey ;},
      recid = {216251},
      pages = {vii, 14 p. :},
      address = {Sacramento, Calif. :},
      year = {1997},
}