TY  - BOOK
AU  - Douglas, I. J.
ED  - National Computing Centre Limited
TI  - Audit and control of systems software
SN  - 085012400X
U1  - 658.478 
PY  - 1983///
CY  - Manchester
PB  - NCC Publications
KW  - Electronic data processing departments - Security measures
KW  - Computer programs
KW  - Computer systems software security measures
ER  -