http://internet.watch.impress.co.jp/docs/news/20140116_631046.html

http://news.goo.ne.jp/article/nationalgeographic/world/ecoscience/20140115001-ng.html

http://www.moj.go.jp/housouken/houso_hakusho2.html

http://headlines.yahoo.co.jp/hl?a=20140119-00000023-kyt-l26

http://www.westlawjapan.com/p_affairs/2014/20140116_s.html

http://www.courts.go.jp/search/jhsp0030?hanreiid=83880&hanreiKbn=02 http://headlines.yahoo.co.jp/hl?a=20140121-00000005-asahi-soci