TY  - BOOK
AU  - Kettlewell Bernard
TI  - Evolution of melanism: the study of a recurring necessity with special reference to industrial melanism in the lepidoptera
U1  - 595.78147 
PY  - 1973///
CY  - Oxford
PB  - Clarendon Press
KW  - Color of insects
KW  - Industrial melanism
KW  - Lepidoptera
KW  - Melanism
ER  -