Stallings, William. <br/><br/>
Data and computer communications / 
 Data & computer communications 
William Stallings. 
 - 6th ed. 
 - New Delhi :  Prentice-Hall of India,  c2000. 
 - xx, 810 p. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>0130843709 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems.<br/>Computer networks
<br/><br/><label>Dewey Class. No.: </label>004.6