Data and computer communication 
Stallings William 
 - 9th ed. 
 - Boston   Pearson  2011 
 - 881p. 
<br/><br/><label>ISBN: </label>978-0-13-217217-2 
<br/><br/><label>Subjects--Topical Terms: </label>--School of Engineering and Technology
<br/><br/><label>LC Class. No.: </label>TK5105  / .S73 2011