TY  - BOOK
AU  - Davies D W
AU  -  Price W L
TI  - Security for computer networks
T2  - Wiley series in communication and distributed systems
U1  - D65,8(B):3, M4;M9 
PY  - 1989///
CY  - New York    
PB  -  John Wiley       
KW  -  Database
KW  - Computer science
ER  -