Helszajn, Joseph <br/><br/>
Synthesis of lumped element, distributed and planar filters 

 - London  McGraw-Hill  1990 
 - xv, 380p. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Electronic circuits<br/>Electric filters
<br/><br/><label>Dewey Class. No.: </label>621.3815324  / H52S