Derfler, Frank J. <br/><br/>
How networks work / 
Frank J. Derfler, Jr. and Les Freed ; illustrated by Michael Troller. 
 - Emeryville, Calif. :  Ziff-Davis Press,  c1993. 
 - ix, 216 p. :  col. ill. ;  27 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>1562761293 (pbk.) :  $24.95 U.S. $34.95 Can. £22.96 U.K. 
<br/><br/><label>LCCN: </label>93218893  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks.<br/>Local area networks (Computer networks)
<br/><br/><label>LC Class. No.: </label>TK5105.5  / .D49 1993 
<br/><br/><label>Dewey Class. No.: </label>004.6