STALLINGS,William <br/><br/>
Data And Computer Communications 

 - 8th Ed. 
 -  Pearson Education Pvt.Ltd HEAD OFFICE,WORLD TRADE TOWER  2007 
 - 838p 
<br/><br/><label>ISBN: </label>81-317-1536-1 
<br/><br/><label>Dewey Class. No.: </label>5.713  / STA/D