TY  - BOOK
AU  - Hirst Paul Q
TI  - Social evolution and sociological categories
T2  - Controversies in sociology. Ed by T B Botto-more and M  J Mulkay.5
U1  - Yv1, L6 
PY  - 1976///
CY  - London
PB  - Allen and Unwin        
N1  - Bibliography P 129-131
ER  -