TY  - BOOK
AU  - Frost, Roger.
AU  - Reyburn, Roz.
TI  - Information technology / 
SN  - 0174385722 (spiral) : 
U1  - 004 FRO 
PY  - 1993///
CY  - Glasgow : 
PB  - Nelson Blackie, 
KW  - Information technology
KW  - Study and teaching (Secondary)
KW  -  Great Britain
N1  - CSE
ER  -