1) Network Computing "Bridging The Business-to-Business Authentication Gap" Located at: http://www.networkcomputing.com/813/813f2glos.html

2) "Certificate Authority - Webopedia.com" Located at: http://www.pcwebopedia.com/TERM/C/Certificate_Authority.html

3) Windows 2000 Server Documentation - Last updated: February 28, 2000 - Located at:
http://www.microsoft.com/windows2000/en/server/help/default.asp?url=/WINDOWS2000/en/server/help/sag_CS_HierExpl.htm