TY  - BOOK
AU  - Misra, S.P
AU  - Pandey, SN
TI  - Essential environmental studies
SN  - 9789380156576
U1  - 333.72 MIS/E 
PY  - 2008///
CY  - New Delhi
PB  - Ane Books
KW  - ENVIRONMENTAL STUDIES
ER  -