https://twitter.com/yuuki_homura/status/518737463338995714

https://twitter.com/bigburn/status/518764800940064768

https://twitter.com/miura_saburou/status/518737239686119424

http://blog.freeex.jp/archives/51434983.html

http://headlines.yahoo.co.jp/hl?a=20141004-00000029-economic-sci

https://twitter.com/yaginome/status/518636902425972737

https://twitter.com/on_nen/status/518633551009312768

https://twitter.com/ishiyanwrx/status/518593498321125376

https://twitter.com/koikekazuo/status/518675539783979008

https://twitter.com/umegrafix/status/518956624845602816 http://www6.atwiki.jp/eurekaseven/pages/3.html