Opflow online.
American Water Works Association.
Denver, Colo. : American Water Works Association
Selected content from print version published June 2000-Sept. 2003.
Mode of access: World Wide Web.
Description based on: Vol. 29, no. 10 (Oct. 2003); title from caption (publisher's Web site, viewed Aug. 17, 2004).
Latest issue consulted: Vol. 30, no. 8 (Aug. 2004) (publisher's Web site, viewed Aug. 17, 2004).
Water-supply engineering
Water-supply engineering.