Blalock, Hubert M. ,jr. and Wilken, Paul H. <br/><br/>
Intergroup processes; a micro-macro perspective   

 - London  Collier Macmillan  1979 
 - x, 645p. Index, Bibl. 
<br/><br/>  
<br/><br/><label>Dewey Class. No.: </label>302  / B637.IP