Ifeachor, Emmanuel. <br/><br/>
Digital signal processing :  a practical approach / 

 - 2nd ed. 
 - India :   Pearson,  c2007. 
 - xxiii, 933 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9788131708248 
<br/><br/><label>LC Class. No.: </label>25702-25705 
<br/><br/><label>Dewey Class. No.: </label>621.3822  / IFE