Stallings, William. <br/><br/>
Data and computer communications 
William Stallings. 
 - 8th ed. 
 - Upper Saddle River, N.J. :  Pearson/Prentice Hall,  c2007. 
 - xviii, 834 p. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>0132433109 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems.<br/>Computer networks.
<br/><br/><label>Dewey Class. No.: </label>004.6