TY  - BOOK
AU  - Tchobanoglous, George 
AU  - Schoeder, Edward 
TI  - Water quality : 
T2  - Water quality management
SN  - 9780201054330
U1  - 363.7394 
PY  - 1987///
CY  - Massachusetts
PB  - Addison-Wesley
ER  -