TY  - BOOK
AU  - Rugh,Roberts
AU  - 
TI  - Vertebrate embryology; 
U1  - 591.33/RUV 
PY  - 0000///Harcourt, Brace & World
PY  - 1964///
CY  - N.Y.
KW  - Zoology
KW  - Embryology
N1  - Includes index and Bibliography and Glossary
ER  -