TY  - BOOK
AU  - Darwin,Charles,1809-1882
TI  - On the origin of species
SN  - 0674637526
U1  - 576.82 
PY  - 1964///
CY  - Cambridge, Massachusetts
PB  - Harvard University Press
KW  - Evolution
KW  - Natural selection
N1  - 500-599
ER  -