Stallings, William <br/><br/>
Data and computer communications / 
William Stallings 
 - 5th ed. 
 - Upper Saddle River, NJ :  Prentice Hall,  1997 
 - xviii, 798 p.:  ill. (some col.) ;  24 cm. 
<br/><br/>Includes bibliographical references (p. [785]-790) and index 
<br/><br/><label>ISBN: </label>0024154253 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems<br/>Computer networks