@article{,
      note = {"Environmental Monitoring And Assessment Program"--Cover.},
      author = {Peterson, Spencer A.},
      url = {http://library.usi.edu/record/197311},
      title = {Pilot test of wetland condition indicators in the prairie  pothole   region of the Unites States [microform] /},
      publisher = {U.S. Environmental Protection Agency, Office of Research  and Development,},
      number = {EPA/620/R-97/002},
      recid = {197311},
      pages = {xvi, 279 p. :},
      address = {Washington, DC :},
      year = {1997},
}