TY  - BOOK
TI  - Basic electricity:direct current : : symbols-diagrams and circuits-english   
T2  - Bergwall Production   
SN  - 20040000376   
PY  - 0000///[19__]
CY  - Crowborough
PB  - Audio Visual Source, 
KW  - Electricity
KW  - measurement
KW  - Symbols,diagrams and circuits
N1  - VHS/NTSC
ER  -