TY  - BOOK
AU  - Weaver, L. E.
ED  - BBC engineeringing monograph
TI  - The design of a linear phase-shift low-pass filter (no.17)
U1  - 621.388 
PY  - 1958///
CY  - New York
PB  - British Broadcasting Corporation
KW  - Filter
KW  - Design
ER  -