Water treatment and examination / edited for the Society for Water Treatment and Examination, by W. S. Holden. Holden, William Stewart. Water. Purification. Water Analysis. TD380 .W33 1970b 628.1 HOW "A successor to 'The examination of waters and water supplies,' by Thresh, Beale and Suchling". Includes bibliographies. London : Churchill, c1970. c1970. 1970 Text viii, 513 p., 18 plates. eng