TY  - BOOK
AU  - Ebert James D
AU  -  Sussex Ian M
TI  - Interacting systems in development
T2  - Modern biology series
U1  - G9B:7, K5-;3           K5;5 
PY  - 1965///
CY  - New York Holt, Rinehart and Winston
KW  - Embryology
ER  -