TY  - BOOK
AU  - Pandey, S N
TI  - Environment and ecology
U1  - 363.7 P192E(2) 
PY  - 2016///
CY  - New Delhi
PB  - Ane Book
N1  - 2474 30/11/2016 PBA17/1064 09/12/2016 Environment DIST FIST
ER  -