FitzGerald, Jerry. <br/><br/>
Business data communications and networking  
Jerry FitzGerald, Alan Dennis. 
 - 7th ed. 
 - New York :  John Wiley,  c2002. 
 - xiv, 457 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>047139100X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems.<br/>Computer networks.<br/>Office practice--Automation.
<br/><br/><label>Dewey Class. No.: </label>004.6