Kennedy, George. <br/><br/>
Electronic communication systems / 
George Kennedy, Bernard Davis. 
 - 4th ed. 
 - New York :  McGraw-Hill,  1993 
 - xv, 763 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0028005929 
<br/><br/><label>LCCN: </label>923906  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication.