TY  - BOOK
AU  - Jackson,Leonard Cecil
TI  - Wave filters
U1  - 621.38413382 
PY  - 1944///[reprinting1960]
CY  - London, New York
PB  - Methuen, Wiley
KW  - Electric filters
KW  - Radio
KW  - Equipment and supplies
N1  - includes index
ER  -