Panko, Raymond R. <br/><br/>
Business data networks and telecommunications 
by Panko Raymond R. 
 - 4th.ed 
 - United States of America  Prentice Hall  2003 
 - xxix, 510pages, 24cm. 
<br/><br/> Includes Index 
<br/><br/><label>ISBN: </label>0-13-035914-9 
<br/><br/><label>Dewey Class. No.: </label>005.71/P19/2003