Babu, P Ramesh. <br/><br/>
Signals and systems /  
by P. Ramesh Babu and R. Anandanatarajan. 
 - 4th ed /   . 
 - Chennai :   Scitech Publications (India) ,   2007. 
 - Various pages :   ills., figs, charts ;   27cm .  
<br/><br/>Includes bibliographical reference and index 
<br/><br/><label>ISBN: </label>9788183712880  RS547.00 
<br/><br/><label>Subjects--Index Terms: </label>COMMUNICATION ENGINEERING 
<br/><br/><label>Dewey Class. No.: </label>621.3822  / BAB/S