Blake, Roy <br/><br/>
Electronic communication systems 

 - 2 
 - Singapore  Thomson Learning  2001 
 - xx, 985p.  
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>766826848 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication--Electronic communication systems