Fang, Irving. <br/><br/>
A history of mass communication :  six information revolutions / 
Irving Fang. 
 - Boston :  Focal Press,  c1997. 
 - xxxiv, 280 p. :  ill. ;  26 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0240802543 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication--History.