Johnson, David E. <br/><br/>
Rapid practical designs of active filters / 
David E. Johnson, John L. Hilburn. 
 - New York :  John Wiley & Sons,  1975. 
 - ix, 264 p. :  ill. ;  23 cm. 
 - A Wiley Interscience publication. .
<br/><br/>Bibliography : 252-254. 
<br/><br/><label>ISBN: </label>0471443042 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric filters--Design and construction.