Dennis Roddy <br/><br/>
Electronic communications 

 - Fourth Edition 
 -  Pearson Prentice Hall,  2007 
 - ix, 820p. 
<br/><br/> SL/INV/0239/07-08/13-08-07 
<br/><br/><label>ISBN: </label>8131705110 (PB) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication
<br/><br/><label>Dewey Class. No.: </label>621.382 ROD(FLE)