TY  - BOOK
AU  - Haldane,J.B.S.
TI  - The causes of evolution / 
U1  - 575 HAL  
PY  - 1932///
CY  - London : 
PB  - Longmans Green and Co.
KW  - Evolution
KW  - Natural selection
KW  - Evolution (Biology)
N1  - Includes index.
ER  -