Gupta,Prakash C. <br/><br/>
Data communications / 
Gupta,Prakash C. 
 - New Delhi:  Prentice Hall of India,  1999. 
 - ix,475p;26cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>8120311183 
<br/><br/><label>Dewey Class. No.: </label>004.6 GUP