Carlson, A. Bruce; and Crilly, Paul B. <br/><br/>
Communication  systems :  an introduction to signals and noise in electrical communication / 

 - 5th ed 
 - New Delhi,  McGraw Hill Education,  c2011. 
 - ill. ;  xx, 924 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>9780071321174 
<br/><br/><label>LC Class. No.: </label>D3950 
<br/><br/><label>Dewey Class. No.: </label>621.38223  / CAR