Roddy, Dennis, <br/><br/>
Electronic communications / 
Dennis Roddy, John Coolen. 
 - 2nd. ed. 
 - Reston, Va. :  Reston Pub. Co.,  c1981. 
 - xii, 628 p. :  ill. ;  25 cm. 
<br/><br/>Part-1: Communications Fundamentals (Page-1), Part-2: Electronic Communications Circuits (Page-137), Part-3: Modulation of Signals (Page-239), Part-4: Transmission and Radiation of Signals (Page-367), Part-5: Communication Systems (Page-507).      
<br/><br/><label>ISBN: </label>0835916316 
<br/><br/><label>LCCN: </label>80013291 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronics.<br/>Telecommunication.
<br/><br/><label>Dewey Class. No.: </label>621.38,ROD