TY  - BOOK
AU  - Tajfel Henri
TI  - Human groups and social categories :  Studies in so   
SN  - 0521280737
U1  - S8, M1 
PY  - 1981///
CY  - Cambridge
PB  - University Press         
KW  - Psychology
N1  - Bib  p 344-61
ER  -