Stallings, William. <br/><br/>
Data and computer communications 

 - 7th ed 
 - Upper Saddle River  Pearson Education   2004 
 - 847p.  Illustrated 
<br/><br/><label>ISBN: </label>0131006819 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data & computer communications
<br/><br/><label>LC Class. No.: </label>TK 5105  / .S73 2004