Couch, Leon W. <br/><br/>
Digital and Analog Communication Systems 
Leon W. Couch, international edition contributions by Muralidhar Kulkarni & U. Sripati Acharya 
 - 8th ed.  international edition 
 - Boston  Pearson  2013 
 - 784p.  ill.  23cm 
<br/><br/><label>ISBN: </label>9780273774211 
<br/><br/><label>LC Class. No.: </label>TK5101   / .C69