TY  - BOOK
AU  - Skwirzynski,J.K.
TI  - Design theory and data for electrical filters
AV  - TK7872.F5 S5
U1  - 621.319 21 SKW 
PY  - 1965///]
CY  - London, New York
PB  - Van Nostrand
KW  - Electric filters
N1  - Bibliography: p.xvii-xviii
ER  -