TY  - BOOK
AU  - Peavy, Howard., Rowe, Donald R. and Tchobanoglous 
TI  - Environmental engineering 
SN  - 9789351340263
U1  - 628 PEA  
PY  - 2016///
CY  - Mcgraw hill book company 
PB  - New Delhi 
KW  - ENVIRONMENTAL STUDIES
ER  -