http://news.kanaloco.jp/localnews/article/1305200010/

http://sankei.jp.msn.com/west/west_affairs/news/130519/waf13051920390011-n1.htm

http://www.nikkei.com/article/DGXNASDG17044_X10C13A5CC1000/

http://www.moj.go.jp/jinji/shihoushiken/jinji08_00082.html

http://mainichi.jp/select/news/20130520k0000m040109000c.html