http://booklog.kinokuniya.co.jp/imaiakira/archives/2009/08/post_47.html

http://sankei.jp.msn.com/culture/books/090823/bks0908230811005-n1.htm

http://journal.mycom.co.jp/news/2009/07/15/030/index.html

http://gigazine.net/index.php?/news/comments/20090717_motemoto/

http://www.nationalgeographic.co.jp/news/news_article.php?file_id=38674008&expand

http://news.goo.ne.jp/article/r25/nation/r25-110000007418.html?fr=rk

http://www.asahi.com/national/update/0823/TKY200908220265.html