TY  - BOOK
AU  - Douglas,I.J.
AU  - 
TI  - Audit and control of systems software
SN  - 085012400X
PY  - 1983///
CY  - Manchester
PB  - NCC Publications
KW  - Electronic data processing departments
KW  - Security measures
KW  - Computer programs
N1  - Includes bibliographies and index
ER  -