Roddy, Dennis <br/><br/>
Electronic communications /  
Dennis Roddy, John Coolen 
 - ix, 820 pages 
<br/><br/>
<br/><br/><label>ISBN: </label>9813026812 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunications
<br/><br/><label>Dewey Class. No.: </label>621.38