Dordick, Herbert S.,   1925-  <br/><br/>
Understanding modern telecommunications/   [Book]. 
Herbert S. Dordick.  
 - New York :   McGraw-Hill,   1986. 
 - x, 324 p. :   ill. ;   25 cm. 
 - McGraw-Hill series in mass communication .
<br/><br/> Abstracts Includes bibliographies and index. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0070176620 
<br/><br/><label>LCCN: </label>85011382 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication.