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

 - New York  John Wiley  1975 
 - ix, 264 p.  Includes Appendis, References and Index 
<br/><br/> Includes Appendis, References and Index 
<br/><br/><label>ISBN: </label>0-471-44304-2 
<br/><br/><label>Dewey Class. No.: </label>RR D65e:4 L5;1