http://mainichi.jp/articles/20160527/k00/00e/040/191000c
http://sportiva.shueisha.co.jp/smart/clm/motorsports/2016/05/26/q3/index6.php
http://www.sankei.com/smp/west/news/160524/wst1605240017-s1.html
https://www.bloomberg.co.jp/news/articles/2016-05-23/O7M2SM6TTDS801