Prasad, K V K K <br/><br/>
Principles of Digital Communication Systems and Computer Networks 

 - New Delhi  Dreamtech Press  2004 
 - xxii+742p.,23X18Cms. 
<br/><br/><label>ISBN: </label>8177223623 
<br/><br/><label>Dewey Class. No.: </label>621.384 P895