Water Quality International Washingtion Dc 1992 Proceeding of the Sixteenth Biennial Conference of the International Association on Water Pollution Research and Control Held in Washington Dc Usa 24-30 May 1992 26 - Oxford : Pergamon Press, c1992 v. 26. Number 7-8 Pt. 4. ISBN: 0080420443 ISSN: Subjects--Topical Terms: Water Treatment Congresses Dewey Class. No.: 628.168 / WAT