TY  - BOOK
TI  - Electronic power supplies : : semiconductor diodes-english   
T2  - Bergwall Production   
SN  - 20040000377   
PY  - 0000///[19__]
CY  - Crowborough
PB  - Audio Visual Source, 
KW  - Diodes,semiconductors
KW  - Electric current converters
KW  - Thyristors
N1  - VHS/NTSC
ER  -