http://www.rbbtoday.com/article/2012/08/09/92861.html

http://www.fben.jp/bookcolumn/2012/08/1949.html

http://gendai.net/articles/view/syakai/138156

http://www.asahi.com/business/update/0815/TKY201208150442.html?tr=pc

http://mainichi.jp/select/news/20120816k0000m040103000c.html

http://www.yomiuri.co.jp/national/news/20120815-OYT1T01427.htm?from=tw