http://aaa-www.net/~giga/index4.html

http://itpro.nikkeibp.co.jp/article/SMBIT/20050926/221647/

http://www.its-kobe.co.jp/index.htm

http://arena.nikkeibp.co.jp/qa/trouble/20050914/113471/

http://nikkeibp.jp/style/biz/management/risk/050920_taiho/

http://nikkeibp.jp/style/biz/marketing/opensource/050920_oss/