TY  - BOOK
AU  - Hamilton,Peter
TI  - Computer security
SN  - 0852270143
U1  - 658.47 
PY  - 1972///
CY  - London
PB  - Associated Business Programmes
KW  - Computer security
KW  - Security systems
KW  - Data protection
N1  - Includes bibliographical references and index
ER  -