TY  - BOOK
AU  - Eckenfelder, W Wesley
TI  - Principles of water quality management
SN  - 0 8436 0338 0
U1  - 628.3 
PY  - 1980///
CY  - Massachusetts
PB  - CBI Publising Co.
KW  - Water Quallity Management Sewage
KW  - Surface and foul water
KW  - Water-properties and treatment
ER  -