Berk, Richard A. <br/><br/>
Collective behavior / 
[by] Richard A. Berk. 
 - Dubuque, Iowa :  W. C. Brown Co,  [1974]. 
 - viii, 80 p. 
 - Elements of sociology .
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0697075257 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Collective behavior.<br/>Crowds.
<br/><br/><label>Dewey Class. No.: </label>304  / BER