Panko, Raymond R. <br/><br/>
Business data communications and networking 
by Raymond R.  Panko 
 - 3rd.ed 
 - Upper Saddle River  Prentice Hall   2001 
 - xxv, 438 pages,  24 cm. 
<br/><br/> Includes Index 
<br/><br/><label>ISBN: </label>0-13-088262-3 
<br/><br/><label>Dewey Class. No.: </label>005.71/P19/2001