@article{389955,
      url = {http://library.usi.edu/record/389955},
      title = {Indicators for waterborne pathogens [electronic resource]  /},
      publisher = {National Academies Press,},
      recid = {389955},
      pages = {xii, 315 p. :},
      address = {Washington, D.C. :},
      year = {2004},
}