Kennedy, George, <br/><br/>
Electronic communication systems / 
by George Kennedy. 
 - 3rd ed. 
 - New York :  McGraw-Hill,  c1985. 
 - xxii, 741 p. :  ill. ; 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0070340544 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication.
<br/><br/><label>Dewey Class. No.: </label>621.38 KEN/E