TY  - BOOK
AU  - Darwin,Charles (Charles Robert)
AU  - Appleman,Philip,1926-.
TI  - The origin of species
SN  - 0393092194
PY  - 1975///
CY  - New York
PB  - Norton
KW  - Evolution
KW  - Natural selection
N1  - Includes index; p. 125-126
ER  -