Signals and systems(E-Book) 
Richard Baraniuk 
 - Houston  Rice university  2003. 
 - 306p 
<br/><br/><br/>EB-3022 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunications engineering - (E-BOOK)
<br/><br/><label>Dewey Class. No.: </label>621.3822