TY  - BOOK
TI  - Digital codes and numbering systems explained : : hexademical numbers and codes-english   
T2  - Bergwall Production   
SN  - 20040000219   
PY  - 0000///[19__]
CY  - Crowborough
PB  - Audio Visual Source, 
KW  - Digital codes and numbering system explained
KW  - Hexademical numbers and codes
N1  - VHS/NTSC
ER  -