http://book.asahi.com/reviews/reviewer/2016112000011.html

http://science.srad.jp/story/16/11/21/0942204/

http://www.nhk.or.jp/kansai-news/20161115/4273731.html

http://www.asahi.com/articles/ASJCK4JX2JCKULFA00X.html

http://headlines.yahoo.co.jp/hl?a=20161122-00010009-saitama-l11