http://www.cabrain.net/news/article/newsId/37563.html
http://www.cabrain.net/news/article/newsId/37532.html
http://touch.allabout.co.jp/gm/gc/61672/2/
http://zasshi.news.yahoo.co.jp/article?a=20120608-00000303-dime-sci
http://m.news-postseven.com/archives/20120701_125742.html
http://m.news-postseven.com/archives/20120620_119225.html
http://m.news-postseven.com/archives/20120627_119234.html