Gupta, Prakash C <br/><br/>
Data communications and computer networks 

 - New Delhi  Prentice Hall of India  2006 
 - xxii, 800p. : ill.  
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>8120328469 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks<br/>Data communication<br/>Network applications<br/>Network security