Schaumann, Rolf <br/><br/>
Analog filter design 
by Rolf Schaumann, Haiqiao Xiao and Mac E Van Valkenburg 
 - 2nd ed 
 - Oxford  Oxford university press  2011 
 - xiv, 818p. 
<br/><br/><label>ISBN: </label>9780198098911 
<br/><br/><label>Dewey Class. No.: </label>621.3815324  / P11 (EE)