TY  - BOOK
AU  - Purwar,Anuj Kumar
TI  - Environment  and ecology
SN  - 9789381141649:
U1  - 577 PUR/E 23
PY  - 2012///
CY  - New Delhi
PB  - I.K. International publishing house
KW  - ENVIRONMENTAL ECOLOGY
N1  - Includes index
ER  -