FRENZEL,E.LOUIS. <br/><br/>
PRINCIPLES  OF ELECTRONIC COMMUNICATION SYSTEMS / 
LOUIS E.FRENZEL. 
 - 3RD ED. 
 - NEW YORK ;  MC GRAW HILL,  2008. 
 - 637 P. ;  11.2X8.9IN 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Dewey Class. No.: </label>621.382  / LOU