TY  - BOOK
TI  - Basic electricity &electronics:alternating current : : alternating current:what it is and where it is used-english   
T2  - Bergwall Production   
SN  - 20040000204   
PY  - 0000///[19__]
CY  - Crowborough
PB  - Audio Visual Source, 
KW  - Alternating current
KW  - what it is and where it is used
KW  - Basic electricity &electronics
KW  - alternating current
N1  - VHS/NTSC
ER  -