@article{257389,
      author = {Tchobanoglous, George.},
      url = {http://library.usi.edu/record/257389},
      title = {Wastewater engineering : treatment disposal reuse /},
      publisher = {McGraw-Hill,},
      recid = {257389},
      pages = {xviii, 920 p. :},
      address = {New York :},
      year = {1979},
}