TY  - BOOK
AU  - Barton,Kathleen
TI  - Filtered circuits / 
T2  - Bergwall Production   
SN  - 20040000165   
PY  - 0000///
CY  - Crowborough
PB  - Audio Visual Source, 
KW  - Electric circuits
KW  - parallel
KW  - Electric filters
KW  - digital
N1  - VHS/NTSC
ER  -