TY  - BOOK
AU  - Pandey, S.N. 
AU  - Misra,  S.P. 
TI  - Environment and ecology
SN  - 9789381162149
U1  - 577.55/PAN/E 
PY  - 2011///
CY  - Kolkata
PB  - Ane books
KW  - Environmental science
KW  - ecology
ER  -