STALLINGS, William <br/><br/>
DATA AND COMPUTER COMMUNICATIONS 

 - 5th Ed. 
 - New Delhi  Prentice-Hall of India Pvt. Ltd., New Delhi   2001 
<br/><br/><label>ISBN: </label>81 203 1240 6 
<br/><br/><label>Dewey Class. No.: </label>004.6  / STA/DA