Johnson, David E. <br/><br/>
Rapid Practical designs of active filters 

 - New York  John Wiley  1975 
 - ix,264 p. 
<br/><br/> Includes Appendix reference and index 
<br/><br/><label>ISBN: </label>0-471-44304-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rapid Practical designs
<br/><br/><label>Dewey Class. No.: </label>D65e:4 L5;3