TY  - BOOK
AU  - Saunders,John W.
TI  - Patterns and principles of animal development
U1  - 591.3 
PY  - 1970///
CY  - New York
PB  - Macmillan
KW  - Embryology
KW  - Developmental genetics
N1  - Includes bibliographical references and index
ER  -