TY - BOOK ED - American Water Works Association. TI - Water quality and treatment: a handbook of public water supplies U1 - 628.1 PY - 1971///] CY - New York PB - McGraw-Hill KW - Water KW - Purification KW - MCE KW - Water-supply KW - United States N1 - First published in 1940 under title: Manual of water quality and treatment ER -