TY  - BOOK
TI  - Basic digital math : : identifying number systems-english   
T2  - Bergwall Production   
SN  - 20040000369   
PY  - 1992///.
CY  - Crowborough
PB  - Audio Visual Source, 
KW  - Mathematics
KW  - Number theory
N1  - VHS/NTSC
ER  -