TY  - BOOK
ED  - Audio Visual Source
TI  - Understanding digital electronics [video cassette]
U1  - 621.381 UND19-- 
PY  - 1900///
CY  - England
PB  - Audio Visual Source
KW  - Digital electronics
KW  - Logic design
N1  - Colour recording systems: VHS/NTSC
ER  -