TY  - BOOK
AU  - Walsh, Nancy 
AU  - Erwin, Mike 
AU  - Wilfe,  Paul 
TI  - Virtual private networks
SN  - 8173661340
U1  - 4.678 WAL/V 
PY  - 2000///
CY  - Mumbai
PB  - Oreilly/Shroff Publishers and Distributors
KW  - COMPUTER NETWORKS
KW  - VIRTUAL NETWORKS
ER  -