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

 - 6th 
 - New Delhi  Techmedia 
 - Soft Binding  xvi       619 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>81-7635-319-1 
<br/><br/><label>Subjects--Topical Terms: </label>--Data communication, technology
<br/><br/><label>Dewey Class. No.: </label>004.6 HEL-U