Das, J , Chatterjee, P. K , Mullick, S. K <br/><br/>
Principles of digital communication , signal representation detection estimation  and information coding 

 - NEWDELHI  WILEY EASTERN  1986 
 - 645P 
<br/><br/><label>ISBN: </label>0-85226-150-0 
<br/><br/><label>Dewey Class. No.: </label>621.382 DAS'P