TY  - BOOK
AU  - Peavy, Howard S. Rowe, Donald R. Tchobanoglous, George.
TI  - Environmental engineering
SN  - 9789351340263
U1  - 628.5  PEA;1  R 
PY  - 1985///
CY  - New Delhi
PB  - Mc Graw Hill
ER  -