Frenzel, Louis E. <br/><br/>
Principles of electronic communication systems :  [by] Louis E. Frenzel 
by Louis E. Frenzel / 
 - 3rd Ed. 
 - New Delhi  Tata McGraw - Hill  2008 
 - xiii, 885 p. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780070667556 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic communication
<br/><br/><label>Dewey Class. No.: </label>621.38  / FRE