TY  - BOOK
AU  - Patterson J T
AU  -  Stone W S
TI  - Evolution in the genus drosophila
U1  - K871:66, J2 
PY  - 1952///
CY  - New York    
PB  -  Macmillan        
KW  -  Arthropoda
KW  - Zoology
ER  -