TY  - BOOK
AU  - William.S Bullough
TI  - Evolution of Differentiation
U1  - 576.165 
PY  - 1969///
CY  - London
PB  - Academic Press
N1  - William.S Bullough: Evolution of Differentiation.  (2 Printing)  London.  Academic Press, 1969.--(576.165BUL)
ER  -