TY  - BOOK
AU  - Beer, De G R
AU  - Beer, De G R 
TI  - Embryos and ancestors
U1  - 612.64 BEE 
PY  - 1940///.
CY  - Oxford : 
PB  - The Clarendon Press., 
KW  - Human embryology
KW  - Ontogeny
N1  - Includes index.
ER  -