HORAK,R <br/><br/>
COMMUNICATIONS SYSTEMS AND NETWORKS 

 - 3 
 - NEW DELHI  Wiley  2002 
 - xxxii+678p.,23X18Cms 
<br/><br/><label>ISBN: </label>812650336X 
<br/><br/><label>Dewey Class. No.: </label>621.3819535 H811