Fitzgerald, Jerry <br/><br/>
Business data communications and networking 

 - 5th ed. 
 - New York  John Wiley & sons, Inc  1996 
 - xix,562p.  23 cm. 
<br/><br/><label>ISBN: </label>047112365X 
<br/><br/><label>Dewey Class. No.: </label>004.6  / FIT