Lancaster, D. <br/><br/>
Active-filter cookbook 

 - Howard W.Sams & Company  Indianapolis  1975 
 - 240p., tables 
 - Filter responses Filter circuits Filter Cookbook 
<br/><br/><label>ISBN: </label>0-672-21168-8 
<br/><br/><label>Nat. Bib. No.: </label>5057 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>621.38 LAN 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering & Technology
<br/><br/><label>Universal Decimal Class. No.: </label>621.38