Mole, John Henry. <br/><br/>
Filter design data for communication engineers / 
John Henry Mole 
 - London :  E. & F. N. Spon,  1952. 
 - xvi, 252 p. :  ill. ;  24 cm. 
 - Electrical engineering series .
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric filters
<br/><br/><label>Dewey Class. No.: </label>537.5  / MOF 1952