TY  - BOOK
AU  - Sankaran, M S
TI  - Bilogy For Class Xii
U1  - 570 
PY  - 1990///
CY  - New Delhi
PB  - Tata Mc Graw-Hill Publishing Company
KW  - Reference reading room
KW  - Life sciences; biology
KW  - Natural sciences & mathematicsGeneralia
ER  -