TY  - BOOK
AU  - Graf,Rudolf F.
TI  - Converter and filter circuits
AV  - TK7872 .C8 G723C
PY  - 1997///
CY  - Boston, Mass.
PB  - Newnes
KW  - ELECTRIC CURRENT CONVERTERS
KW  - ELECTRIC FILTERS
KW  - FREQUENCY CHANGERS
ER  -