TY  - BOOK
ED  - American Public Health Association
TI  - Standard methods for the examination of water and sewage
U1  - 543.3 AME 
PY  - 1949///
CY  - New York
PB  - American Public Health Association
KW  - American Water Woks Association
KW  - Water
KW  - Analysis
KW  - Sewage
ER  -