TY  - BOOK
AU  - Tajfel Henri
TI  - Differentiation between social groups:  Studies in   
T2  - European monographs in social psychology. 14. European Association of Experimental Social Psychology Publication
U1  - S8, L8 
PY  - 1978///
CY  - London
PB  - Academic Press UK        
KW  - Psychology
N1  - Bibliography: P447-66
ER  -