利用者:Dr. Back-In-The-Street/sandbox

http://www.cinematoday.jp/page/N0048837

http://mainichi.jp/articles/20150313/mog/00m/040/017000c

http://news.livedoor.com/article/detail/9837971/

http://news.livedoor.com/article/detail/9899790/

http://mainichi.jp/articles/20150831/mog/00m/040/008000c

http://synodos.jp/society/14663

http://ameblo.jp/smiley-kikuchi/entry-11476646291.html

http://ameblo.jp/smiley-kikuchi/theme9-10092003749.html#main

https://cuc.repo.nii.ac.jp/index.php?action=pages_view_main&active_action=repository_action_common_download&item_id=4958&item_no=1&attribute_id=18&file_no=1&page_id=13&block_id=21