TY  - BOOK
AU  - Cook, L.M.
TI  - Coefficients of Natural Selection
SN  - 0091041910
U1  - 575.0162 
PY  - 1971///
CY  - London
PB  - Hutchinson and Co.
KW  - Life sciences
KW  - Pure Sciences
KW  - Natural selection
ER  -