por Bailey, James Edwin, 1944- [autor].
por Eckenfelder, W. Wesley (William Wesley), 1926- [autor].
por Tchobanoglous, George [autor] | Theisen, Hilary [autor] | Vigil, S. A [autor].
por Davis, Mackenzie Leo [autor] | Cornwell, David A, 1948- [autor].
por Tchobanoglous, George [autor] | Burton, Franklin L. (Franklin Louis), 1927- [colaborador] | Metcalf & Eddy. Wastewater Engineering.