SCOWEN, F <br/><br/>
An introduction to the theory and design of electric wave filters 
/F. Scowem 
 - London  Chapman & hall  1945 
 - viii, 164 p. 
<br/><br/>  <br/>Includes index 
<br/><br/><label>ISBN: </label>84454 
<br/><br/><label>Dewey Class. No.: </label>621.381532  / SCO