Stallings, William. <br/><br/>
Data and computer communications /  
by William  Stallings. 
 - 8th ed. 
 - New Delhi :  Pearson,  c2007 
 - xvi, 836 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>9788131702291 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks.<br/>Data transmission systems.
<br/><br/><label>Dewey Class. No.: </label>004.6  / STD