Blalock H M <br/><br/>
Intergroup processes 
Blalock H M; Wilken P H 
 -  1979 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>21746 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Y7:3, L9