Stallings, W <br/><br/>
Data & computer communications 

 - 6th edition. 
 - New Delhi  :  Pearson Education,  2000. 
 - XIII,810 
<br/><br/><label>ISBN: </label>81-7808-442-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical Electronics Communication,
<br/><br/><label>Dewey Class. No.: </label>621.382  / STA