TY  - BOOK
AU  - Clark,David
TI  - IT manager's guide to virtual private networks
SN  - 0071352023
PY  - 1999///
CY  - New York
PB  - McGraw-Hill
KW  - Extranets (Computer networks)
KW  - Security measures
KW  - Business enterprises
KW  - Computer networks
KW  - Internet
KW  - Computer network protocols
N1  - Includes index
ER  -