TY  - BOOK
AU  - Leadbetter, Chris
AU  - Greig, Patricia
AU  - Rouse, George
TI  - OCR computing for a level
SN  - 9780340967898
U1  - 006.424 LEA 
PY  - 2008///
CY  - London
PB  - Hodder Murray
KW  - OCR - computing
ER  -