TY  - BOOK
AU  - Beer, G R
TI  - Embryos and Ancestors
U1  - 571.86 
PY  - 1892///
CY  - New Delhi
PB  - OXFORD & IBH PUBLISHING CO.
KW  - General Stack
KW  - Natural sciences & mathematics
KW  - Life sciences; biologyPhysiology & related subjects
KW  - Zoology
ER  -