TY  - BOOK
AU  - Rugh,Roberts
TI  - Vertebrate embryology: The dynamics of development 
U1  - 596.033 
PY  - 1964///
CY  - New York
PB  - Harcourt, Brace & World
KW  - Vertebrates
KW  - Embryology
N1  - Bibliography: p. 524 and index
ER  -