Williams, Charles S.  1911- <br/><br/>
Designing digital filters / 
Charles S. Williams. 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  c1986. 
 - xvi, 349 p. :  ill. 
 - Prentice-Hall information and system sciences series .
<br/><br/><label>ISBN: </label>013201856X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric filters, Digital--Design and construction.
<br/><br/><label>LC Class. No.: </label>TK7872.F5  / W56 1986 
<br/><br/><label>Dewey Class. No.: </label>621.3815/324�19