TY  - BOOK
AU  - Time Life Books
AU  - 
TI  - Computer security
U1  - 681.31 
PY  - 1986///
CY  - Alexandria
PB  - Time life books
KW  - computers and calculators
KW  - Computing devices
KW  - Calculating devices
KW  - Advances in Computers
KW  - Computers
KW  - Computer security
KW  - Computer systems
KW  - Compuiter- access control
KW  - Computer viruses
KW  - Computer crimes
ER  -