http://www.forest.impress.co.jp/article/2008/12/19/wlvideomsg.html

http://booklog.kinokuniya.co.jp/london/archives/2008/12/post_23.html

http://book.asahi.com/review/index.html

http://www.tokyo-np.co.jp/article/tochigi/20081207/CK2008120702000127.html

http://news.goo.ne.jp/article/diamond/business/2008122003-diamond.html?fr=rk

http://news.goo.ne.jp/article/yomiuri/nation/20081222-567-OYT1T00793.html?fr=rk

http://gigazine.net/index.php?/news/comments/20081223_blue_holes/

http://news.yahoo.com/nphotos/slideshow/photo//081219/ids_photos_india_wl/ra3595982033.jpg/

http://www.kiteru.com/vol.221/no6-vol221.htm

http://headlines.yahoo.co.jp/hl?a=20081223-00000058-mai-soci http://headlines.yahoo.co.jp/hl?a=20081223-00000042-yom-soci

http://headlines.yahoo.co.jp/hl?a=20081223-00000001-rtn-l26

http://mainichi.jp/area/fukuoka/news/20081223ddlk40040399000c.html

http://headlines.yahoo.co.jp/hl?a=20081223-00000008-yom-soci

前回調査に比べ、７ポイント近く増加 http://www.kahoku.co.jp/news/2008/12/20081224t13026.htm