TY  - BOOK
AU  - Lubkin,Yale Jay
TI  - Filter systems and design: electrical, microwave, and digital
U1  - 621.381/532 
PY  - 1970///]
CY  - Reading, Mass.
PB  - Addison-Wesley Pub. Co.
KW  - Electric filters
KW  - Delay lines
ER  -