TY  - BOOK
AU  - Daler,T.
AU  - Gulbrandsen,R.
AU  - Sjolstad,T.
TI  - Security of information and data
SN  - 0745805752
U1  - QA/76.9.A25 
PY  - 1989///
CY  - Chichester
PB  - Ellis Horwood Limited
KW  - Computers -- Access control.
KW  - Data protection.
ER  -