Stallings, William <br/><br/>
Data and computer communications 

 - 8th ed 
 - Pearson, New Delhi  2007 
 - xvi,834 
<br/><br/><label>ISBN: </label>978-81-317-1536-9 
<br/><br/><label>Dewey Class. No.: </label>001.64404 Sta