TY  - BOOK
ED  - National Advisory Committee on Computer Security.
TI  - Computing practice-security aspects: a monograph 
PY  - 1979///
CY  - Manchester
PB  - The National Computing Centre
KW  - Electronic data processing department
KW  - Security measures
KW  - Computers
KW  - Access control
N1  - Includes bibliographies
ER  -