Signals and systems 
Dr. Sharma, Sanjay 
 - 9th ed. 
 - New Delhi: S.K Kataria & Sons  2022 
 - 569p.; 24.5cm. 
<br/><br/> Includes previous years question papers, index 
<br/><br/><label>ISBN: </label>9789350140130 
<br/><br/><label>Dewey Class. No.: </label>C 621.382 Sh531 2022