TY  - BOOK
AU  - WADDINGTON .C.H.
TI  - PRINCIPLES OF DEVELOPMENT AND DIFFERENTIATION
U1  - 571.8 WAD 
PY  - 1966///
CY  - NEW YORK & LONDON
PB  - THE MACMILLAN COMPANY & COLLIER -MACMILLAN LIMITED
KW  - PRINCIPLES OF DEVELOPMENT AND DIFFERENTIATION
ER  -