Terrel, Trevor J. <br/><br/>
Introductions to digtal filters/ 
Trevor J. Terrel 
 - 2nd ed. 
 - London :  Macmillian Education,  1988 
<br/><br/><label>ISBN: </label>0333443225, 0333443233' 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digital filters
<br/><br/><label>Dewey Class. No.: </label>621.381  / TER