Kennedy, George <br/><br/>
Electronic communication systems. (3rd ed.) 

 - 3rd ed. 
 - New York:  McGraw-Hill  1985 
 - xxii, 741p. : ill. 
<br/><br/><label>ISBN: </label>0070663629 
<br/><br/><label>LC Class. No.: </label>TK 5101 Ken