TY  - BOOK
ED  - American Public Health Association
ED  - American Water Works Association.
ED  - Water pollution Control Federation.
TI  - Standard methods for the examination of water and wastewater
SN  - 0875530788
PY  - 1989///
CY  - Washington
PB  - American Public Health Association
KW  - Water
KW  - Analysis
KW  - Sewage
ER  -