TY  - BOOK
AU  - American Public Health Association.
TI  - Standard methods for the examination of water and wastwater
SN  - 0875532357
PY  - 1998///
CY  - Washington, DC
PB  - American Public Health Association
KW  - Medicine
KW  - WastewaterTreatment-methods
KW  - Water Purification-methods
ER  -