http://gigazine.net/index.php?/news/comments/20080103_wooden_pc/

http://news.ameba.jp/economy/2007/12/9853.html

http://www.kansai-u.ac.jp/library/etenji/sengokubusho/

http://www.geekstir.com/evolutionofmario.html?category=gaming/the-evolution-of-mario/

http://dc.watch.impress.co.jp/cda/item/2006/05/02/3716.html http://www.yodobashi.com/enjoy/more/i/53454640.html

http://d.hatena.ne.jp/yjochi/20080103#1199347690

http://www.chunichi.co.jp/article/national/news/CK2008010302076646.html

http://headlines.yahoo.co.jp/hl?a=20080103-00000909-san-soci http://headlines.yahoo.co.jp/hl?a=20080103-00000910-san-soci