COUCH W LEON II <br/><br/>
Digital and Analog communication systems/ 
Leon W. Couch, II. 
 - 7th ed.  
 - India,    pearson,  2007.  
 - 749 p. : 
<br/><br/> Includes index  
<br/><br/><label>ISBN: </label>9.788131725436 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digital 
<br/><br/><label>LC Class. No.: </label>TK 5101 .C69 2007