TY  - BOOK
AU  - Knott,Geoffrey
AU  - Callaghan,Paul
AU  - Ellison,John
TI  - Computer studies for BTEC
SN  - 0907679366
PY  - 1990///
CY  - Sunderland
PB  - Business education Publishers Ltd.
KW  - Computers -- Computer science
KW  - Electronic digital computers
ER  -