Halloran, James D <br/><br/>
Demonstrations and communication 

 - Harmondsworth:  Penguin,  1970 
 - 330 p. : map ; 18 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Demonstrations
<br/><br/><label>Dewey Class. No.: </label>301.16