Parthasarathy Harish <br/><br/>
Textbook of signals and systems. 
Parthasarathy Harish 
 - 2 
 -  2004 
<br/><br/><label>Standard No.: </label>16901 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>D651:911, P4