TY  - GEN
AU  - Eckenfelder, W Wesley
TI  - Principles of Water Quality Management
SN  - 0843603380
U1  - 628.162 
PY  - 1980///
CY  - Boston
PB  - CBI Publishing Co Ltd
KW  - Water Quality
KW  - Water Technology
KW  - Sewage
ER  -