TY  - BOOK
AU  - Ebert,James David
TI  - Interacting systems in development
T2  - Modern biology series
AV  - QL955 .E2
U1  - 574.3 
PY  - 1965///
CY  - New York
PB  - Holt, Rinehart and Winston
KW  - Embryology
KW  - Local
N1  - Includes bibliographies
ER  -