Schwartz, Mischa  Bennett, William R.  Stein, Seymour  <br/><br/>
Communication Systems And Techniques 

 - New Delhi  S. Chand & Company  1996 
 - xvi+618p.,23X15Cms. 
<br/><br/><label>ISBN: </label>8121920000 
<br/><br/><label>Dewey Class. No.: </label>621.382 S399