Ackroyd, Martin H.  <br/><br/>
Digital filters 
Martin H. Ackroyd 
 - London  Butterworth-Heinemann  1973 
 - vii+82p.  biblio; figs; index 
 - Computers in Medicine Series .
<br/><br/><label>ISBN: </label>0-407-52700-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digital Filters
<br/><br/><label>Universal Decimal Class. No.: </label>681.32  / ACK