Poakis,John.G <br/><br/>
Digital Communications 

 - 5th ed. 
 - New Delhi  MGH  2015 
 - xviii,1150p. 
<br/><br/><label>ISBN: </label> RS 805.50 
<br/><br/><label>Dewey Class. No.: </label>621.382 POA,J.G