西武鉄道
http://mitaimon.cocolog-nifty.com/blog/2004/11/_powered_by__.html
http://www.asahi.com/national/update/0303/TKY200503030135.html
http://mitaimon.cocolog-nifty.com/blog/2004/11/_powered_by__.html
http://www.asahi.com/national/update/0303/TKY200503030135.html