Couch, Leon W. <br/><br/>
Digital and analog communication systems 
Leon W. Couch 
 - 7th ed. 
 - Delhi  Pearson Education  2001 
 - xxv, 758p. 
<br/><br/><label>ISBN: </label>9788178083285 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication systems<br/>Digital communications
<br/><br/><label>Dewey Class. No.: </label>621.382 C83d6