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 
T2  - The Masterpieces of science
PY  - 1958///, 1986 printing
CY  - New York
PB  - The New American Library
KW  - Evolution
KW  - Natural selection
N1  - Includes index
ER  -