Van Valkenburg, M. E <br/><br/>
Analog filter design 

 - Oxford:  Oxford University Press,  1982 
 - xi, 608 p. : ill. ; 25 cm 
<br/><br/><label>ISBN: </label>9780195107340 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric filters, Active
<br/><br/><label>Dewey Class. No.: </label>621.3815324 VAL