TY  - BOOK
TI  - Using dual trace oscilloscopes : : vertical mode controls-english   
T2  - Bergwall Production   
SN  - 20040000232   
PY  - 0000///[19__]
CY  - Crowborough
PB  - Audio Viseal Source, 
KW  - Dual trace oscilloscope
KW  - Vertical mode controls
N1  - VHS/NTSC
ER  -