TY  - BOOK
AU  - Blalock Hubert M
AU  -  Wilkenn Paul H
TI  - Intergroup processes:  A micro-macro perspective   
U1  - Y8, L9 
PY  - 1979///
CY  - New York
PB  - Free Press        
KW  - Sociology of Associations
N1  - Bibliography: P 614-629
ER  -