Panko, Raymond R <br/><br/>
Business Data Communications 

 - USA  Prentice' Hall  1997 
<br/><br/><label>ISBN: </label>0-13-724360-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data Communications
<br/><br/><label>Dewey Class. No.: </label>004.6  / PAN