TY  - BOOK
AU  - Pandey, G N
TI  - Environmental engineering
U1  - 628 P192E 
PY  - 2015///
CY  - New Delhi
PB  - McGraw Hill Education(India)
N1  - 3149 04/06/2018 HBD18/7417 15/06/2018 UIET (SFS)
ER  -