Cunningham, Edward P. <br/><br/>
Digital filtering  an introduction 
Edward P. Cunningham. 
 - Boston  Houghton Mifflin Co.  1995. 
 - xvi, 536 p.  ill.  24cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0471124753 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digital filters (Mathematics)