Derfler, Frank J. <br/><br/>
How networks work / Frank J. Derfler, Jr. and Les Freed ; illustrated by Michael Troller. 

 - 6th ed. 
 - Indianapolis, IN : Que Pub., c2003. 
 - vi, 233 p. : col. ill. ; 26 cm. 
<br/><br/><label>ISBN: </label>0789727536 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks.  Local area networks (Computer networks) 
<br/><br/><label>Dewey Class. No.: </label>004.6 DER