Introduction to signals and systems and digital signal processing 

 - 1st 
 - New Delhi  Prentice Hall of India Pvt Ltd  2005 
 - xii,382 p. 
<br/><br/><label>ISBN: </label>81-203-2778-0 
<br/><br/><label>Subjects--Index Terms: </label>Signal processing -Digital techniqBK