TY  - BOOK
AU  - Simpson,George Gaylord
AU  - Beck,William S.
TI  - Life: An Introduction to biology
U1  - 823 
PY  - 2003///
CY  - England
PB  - Harcourt
KW  - English Literature
KW  - ইংরাজী সাহিত্য
ER  -