TY  - BOOK
AU  - Burger, Ralf
TI  - computer viruses and data protection
SN  - 1557551235
U1  - GC 005.84 B911 1991 
PY  - 1991///
CY  - Grand Rapids, MI
PB  - Abacus
KW  - Computer viruses
N1  - Includes index
ER  -