TY  - GEN
AU  - Sanyal, Bhupendranath
AU  - Chattopadhyay, A.K.
AU  - De, M.
TI  - An introduction to biology 
U1  - 581 
PY  - 1998///, r2001
CY  - Calcutta
PB  - Oriental Book
KW  - BIOLOGY
ER  -