TY  - BOOK
AU  - Kennedy,J.S.
TI  - Insect polymorphism.
U1  - 595.7 23
PY  - 1961///
CY  - London: 
PB  - Royal Entomological Society
KW  - Entomology
KW  - Congresses
KW  - Genetic polymorphisms
N1  - Includes bibliographical references
ER  -