Held, Gilbert <br/><br/>
Understanding Data Communication 

 - 7th 
 - New Delhi  Pearson Education  2003 
 - XV, 765 
<br/><br/> Data Communication 
<br/><br/><label>ISBN: </label>9788129702111 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication Systems
<br/><br/><label>Dewey Class. No.: </label>004.6  / HEL