TY  - BOOK
AU  - Pontius,Frederick W.
ED  - American Water Works Association
TI  - Water quality and treatment: a handbook of community water supplies 
SN  - 0070015406
AV  - TD430 .W365 1990
PY  - 1990///
CY  - New York
PB  - McGraw-Hill, Inc.
KW  - Water
KW  - Purification
KW  - Water quality
ER  -