Norris, Mark. , <br/><br/>
Communications technology explained / 
Mark Norris. 
 - Wiley-BT series .
<br/><br/><label>ISBN: </label>0471986259 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication.
<br/><br/><label>LC Class. No.: </label>TK5101   / .N67 2000