TY  - GEN
TI  - Standard methods for the examination of water and wastewater
SN  - 9780875532875
U1  - 628.16 
PY  - 2012///
CY  - Washington.
PB  - American Public Health Association, American Water Works Association, Water Environment Federation
N1  - 1. Introduction
2. Physical & aggregate properties
3. Metals
ER  -