http://jp.wsj.com/articles/SB12096842380967064583604581209750845609300

http://www.sankei.com/affairs/news/150904/afr1509040001-n1.html

http://www3.nhk.or.jp/news/html/20150903/k10010215291000.html

http://news.goo.ne.jp/article/mainichi_region/region/mainichi_region-20150903ddlk32040549000c.h

http://headlines.yahoo.co.jp/hl?a=20150904-00000015-mai-pol