Derfler, Frank J. <br/><br/>
How networks work / 
By Frank J Derfler and Les Freed; illustrated by Michael troller, Steve Adams and Patricia Douglas. 
 - 4th ed. 
 - New Delhi :  Techmedia ,  1999. 
 - ix,212p. ; 
<br/><br/><label>ISBN: </label>8176352586 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Local area networks<br/>Mixing computers and telephones
<br/><br/><label>Dewey Class. No.: </label>004.65   / DERF