@article{442873,
      author = {Lauer, Bill. and Barsotti, Michael G. and Hardy, David K.},
      url = {http://library.usi.edu/record/442873},
      title = {Chemical feed field guide for treatment plant operators  calculations and systems / [electronic resource] :},
      publisher = {American Water Works Association,},
      recid = {442873},
      pages = {1 online resource (xiii, 159 p.) :},
      address = {Denver, Colo. :},
      year = {2009},
}