Ramesh Babu, P. <br/><br/>
Signals and systems / 

 - 4th ed. 
 - Chennai :  SCITECH Publishers (India) Pvt Ltd. ,  2010,2013. 
<br/><br/><label>ISBN: </label>9788183710640 
<br/><br/><label>Subjects--Index Terms: </label>Signals Systems