Stallings, William <br/><br/>
Data and computer communications / 
William Stallings 
 - 6th ed. 
 - Upper Saddle River, N. J. :  Prentice Hall,  2000 
 - xx, 810 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/>
<br/><br/><label>ISBN: </label>0130843709  RM348.72 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems<br/>Computer networks