TY  - BOOK
AU  - Burger,Ralf
TI  - Computer viruses and data protection
SN  - 1-55755-123-5
U1  - 005.8 B954 1991 
PY  - 1991///
CY  - Germany
PB  - Abacus
KW  - Data security
N1  - Includes appendices and index
ER  -