TY  - BOOK
AU  - Drake,ellen T.
AU  - Drake,Ellen T [editor]
TI  - Evolution and environment : a symposium presented on the occasion of the one hundredth anniversary of the foundation of Peabody museum of natural history at Yale university
U1  - 573.2 DRA  
PY  - 1968///.
CY  - New Haven : 
PB  - Yale University Press, 
KW  - Premetazoan evolution
N1  - Includes index.
ER  -