Johnson, David E.   <br/><br/>
A handbook of active filters 
David E. Johnson, Johnny Ray Johnson and Harry P. Moore  
 - New Jersey  Prentice Hall  1980 
 - xii+244p.  appendix; figs; index; reference 
<br/><br/><label>ISBN: </label>0-13-372409-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical Filters,activeFilters
<br/><br/><label>Universal Decimal Class. No.: </label>621.372.54  / JOH