Stallings, William. <br/><br/>
Data and computer communications / 
William Stallings. 
 - 9th ed. 
 - New Delhi :  Pearson,  c2014. 
 - iv, 864 p. :  ill. ;  24 cm. 
<br/><br/>Includes appendixes ; references & index. 
<br/><br/><label>ISBN: </label>9789332518865 (pbk.) 
<br/><br/><label>LCCN: </label>2010025052 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks.<br/>Data transmission systems.
<br/><br/><label>LC Class. No.: </label>TK5105  / .S73 2011 
<br/><br/><label>Dewey Class. No.: </label>004.6  / STA