Roddy, Dennis <br/><br/>
Electronic communications / 
Dennis Roddy and John Coolen 
 - 4th ed 
 - India  Prentice Hall of India  1995 
 - 820 p. 
<br/><br/><label>ISBN: </label>9788120309845 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunications, electronics
<br/><br/><label>Dewey Class. No.: </label>621.38 ROD-D