TY  - BOOK
AU  - Williams,George C.
TI  - Adaptation and natural selection: a critique of some current evolutionary thought 
U1  - 575.5 
PY  - 1966///
CY  - Princeton, N.J.
PB  - Princeton University Press
KW  - Adaptation (Biology)
KW  - Natural selection
N1  - Bibliography: p. 275-290
ER  -