TY  - BOOK
AU  - Taylor, Graham.
TI  - Computer studies GCSE. 
T2  - Macmillan work out series
SN  - 0333643577
PY  - 1991///
CY  - London
PB  - Macmillan
KW  - Computers-Review and Exercise
KW  - Electronic Brain-Review and Exercise
ER  -