http://diamond.jp/articles/-/57316

http://www.excite.co.jp/News/odd/Tocana_201408_post_4574.html

http://www.sonpo.or.jp/about/action/branch/nagoya/1408_01.html

http://headlines.yahoo.co.jp/hl?a=20140809-00000136-san-soci

http://sankei.jp.msn.com/region/news/140809/gnm14080902210001-n1.htm