http://www.nikkei-science.com/201704_035.html

http://headlines.yahoo.co.jp/hl?a=20170223-00000132-jij-pol

http://www.nichibenren.or.jp/event/year/2017/170318_2.html

https://www.iwanami.co.jp/kagaku/Kagaku_201703_Ido.pdf https://www.iwanami.co.jp/kagaku/KaMo201703.html

http://www.news-postseven.com/archives/20170305_498907.html