TY  - BOOK
AU  - GARFINKEL,Simson
ED  - O'  Reilly
TI  - PGP: pretty good privacy
SN  - 1 56592 098 8
PY  - 1995///.
CY  - beijing: 
PB  - o reilly, 
KW  - Computers
KW  - Cryptography
KW  - electronic mail
KW  - Privacy
N1  - 393pp., 23x18
ER  -