TY  - BOOK
TI  - Basic digital math : : introduction to digital technology-english   
T2  - Bergwall production-series 1   
SN  - 2004000068   
PY  - 0000///
CY  - Crowborough
PB  - Audio Visual Source, 
KW  - Computer engineering
KW  - Electronic digital computers
N1  - VHS/NTSC
ER  -