TY  - BOOK
AU  - Darwin, Charles
TI  - Origin of species by means of natural selection or the preservation of favoured races in the struggle for life
SN  - 0140432051
AV  - QH365. 02 
PY  - 1992///
PB  - Penguin
KW  - Evolution (Biology)
KW  -  Natural selection
ER  -