Blake, Roy. <br/><br/>
Electronic communication systems / 
Roy Blake. 
 - 2nd ed. 
 - Albany, N.Y. :  Delmar/Thomson Learning,  2002. 
 - xx, 985 p. :  col. ill. ;  27 cm. 
<br/><br/>Includes index. 
<br/><br/>
<br/><br/><label>ISBN: </label>0766826848  RM490.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication.