Ziemer, R, E. Tranter, W, H. <br/><br/>
Principles of Communications.  System Modulation and Noise. 

 - 5th ed 
 - New York  John Wiley and Sons.  2002 
 - ix+637p.,26X18Cms. 
<br/><br/><label>ISBN: </label>9814126543 
<br/><br/><label>Dewey Class. No.: </label>621.382 Z65