TY  - BOOK
AU  - Bhaskar Harshvardhan
TI  - Biosphere
SN  - 9788180303715
U1  - 574.08 BHA 
PY  - 2012///
CY  - New Delhi
PB  - Campus Books
KW  -  Bhaskar
KW  -  Harshvardhan
KW  - Biosphere
ER  -