TY  - GEN
AU  - Wong, Kenneth K.
TI  - Computer security : : risk analysis and control; a guide for the dp manager 
SN  - 0850121795
U1  - 658.47  
PY  - 1977///
CY  - Manchester : 
PB  - N C C Publications
KW  - Electronic data processing departments
KW  - Security measures
N1  - Includes bibliographical references
ER  -