Dodd, Annabel Z. <br/><br/>
The Essential guide to telecommunications 
Annabel Z. Dodd. 
 - London  PrenticeHall of India  2000 
 - xviii, 251p., 23cm. 
<br/><br/><label>ISBN: </label>981-4035-47-5. 
<br/><br/><label>Dewey Class. No.: </label>004.65  / D50E