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

 - India  Pearson Education  2003 
<br/><br/><label>ISBN: </label>81-297-0211-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Understanding Data Communications
<br/><br/><label>Dewey Class. No.: </label>004.6  / HEL