Miller, Gary M. <br/><br/>
Modern Electronic communication 
Gary M. Miller,Jeffrey S. Beasley 
 - 7th.ed. 
 - New Jersey  Prentice Hall  2002 
 - xix, 883p.  ill.  26cm.  +cd rom 
<br/><br/> includes index :p.869 - 883 
<br/><br/><label>ISBN: </label>0130167622 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication