@article{442879,
      recid = {442879},
      author = {Logsdon, Gary S.},
      title = {Water filtration practices including slow sand filters and  precoat filtration / [electronic resource] :},
      publisher = {American Water Works Association,},
      address = {Denver, Colo. :},
      pages = {1 online resource (xvii, 295 p.) :},
      year = {2008},
      url = {http://library.usi.edu/record/442879},
}