TY  - BOOK
AU  - Wallace, Bruce
AU  - Srb, Adrian M. 
TI  - Adaptation
T2  - Foundations of modern biology series
U1  - 578.4 
PY  - 1963///
CY  - New Delhi
PB  - Prentice Hall of India
KW  - Heredity
KW  - Adaptation
KW  - Genetic variation
ER  -