1. Asif, "U.S. Federal and State Government WWW Sites," World Wide Web, www.ilinks.net/~ace/html/government/html#sh6.
2. Bruno, Charles, "Internet Health Report: Condition Serious," Network World, September 16, 1996, pp. 1, 104-111.
3. InterNIC, "InterNIC Whois Service," World Wide Web, www.internic.net/wp/whois.html.
4. MFS Datanet, "MAE East Statistics," World Wide Web, ext2.mfsdatanet.com/MAE/east.stats.html.
5. MFS Datanet, "MAE West Statistics," World Wide Web, ext2.mfsdatanet.com/MAE/west.stats.html.
6. University of Illinois at Urbana-Champaign, "Host Name to Latitude/Longitude," World Wide Web, cello.cs.uiuc.edu/cgi-bin/slamm/ip2ll, June 19, 1995.
7. Stevens, Richard, "TCP/IP Illustrated Volume 1, The Protocols," Addison-Wesley Publishing, 1994, Chapter 10, pp. 97-110.