Stallings, William <br/><br/>
Data and computer communications 
William Stallings. 
 - 9th ed.. 
 - New Delhi  Dorling Kindersley  c2014. 
 - 864 p.: ill.; 25 cm. 
<br/><br/><label>ISBN: </label>9789332518865 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data communication Systems Information networking. 
<br/><br/><label>Dewey Class. No.: </label>005.71  / S67D