TY  - GEN
AU  - Pontius, Fredrick W. 
ED  - American Water Works Association
TI  - Water quality and treatment : : a handbook of community water supplies
SN  - 0070015406
PY  - 1990///
CY  - New York
PB  - McGraw-Hill
KW  - WATER TREATMENT
KW  - WATER QUALITY
KW  - WATER-Purification
KW  - Water Supply-United States
ER  -