TY  - BOOK
TI  - Digital techniques : : data conversion "digital to analog"-english   
T2  - Coastal Skills Training;series 22/25   
SN  - 20040000399   
PY  - 1988///.
CY  - Crowborough
PB  - Audio Visual Source, 
KW  - Digital conversion
KW  - Video cassette
N1  - Ref:IT-8036/22; VHS/PAL
ER  -