Hancock,John C. <br/><br/>
An introduction to the principles of communication theory / 
Hancock,John C. 
 - New Delhi:  Tata McGraw Hill,  1997. 
 - x,253p;24cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0070993416 
<br/><br/><label>Dewey Class. No.: </label>004.6 HAN