DERFLER Frank J. <br/><br/>
How networks work / 
Frank J. Derfler and Les Freed. Illustrated by Michael Troller. 
 - 7th ed. 
 - Indianapolis IN :  Que,   2004 
 - 247 p. :  ill. 
<br/><br/><label>ISBN: </label>9780789732323 (pbk.) :  37.68 BND 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMPUTER NETWORKS<br/>COMPUTER COMMUNICATIONS