TY  - BOOK
AU  - Darwin,Charles
TI  - The origin of species: by means of natural selection or the preservation of favoured races in the struggle for life 
AV  - QH 365 D2
PY  - 1958///
CY  - New York
PB  - New American Library
KW  - Evolución (Biología)
KW  - Selección natural
KW  - Seres humanos
KW  - Origen
ER  -