Data and computer communications (E-Book)  
William Stallings 
 - Eighth Edition 
 - NJ  Pearson Education  2007 
 - 901p 
<br/><br/> E BOOK 
<br/><br/><label>ISBN: </label>0-13-243310-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>DATA AND COMPUTER COMMUNICATIONS