TY  - BOOK
AU  - Peavy, Howard S. Rowe, Donald R. Tchobanoglous, George.
TI  - Environmental engineering
SN  - 9789351340263
U1  - 628.5  PEA;1 
PY  - 2013///
CY  - New Delhi
PB  - Mcgraw Hill Education
ER  -