http://gigazine.net/index.php?/news/comments/20090406_kingsoft_office/

http://gigazine.net/index.php?/news/comments/20090406_tv_yahoo_japan/

http://booklog.kinokuniya.co.jp/sugihara/archives/2009/04/post_11.html

http://www.ringolab.com/note/daiya/2009/04/post-963.html

http://www.gizmodo.jp/2009/04/post_5344.html

http://gigazine.net/index.php?/news/comments/20090406_mine_detecting_rat/

http://slashdot.jp/articles/09/04/06/1115229.shtml

http://www.drakahige.com/NEWS/DAILY/2009/2009040601.shtml

http://headlines.yahoo.co.jp/hl?a=20090406-00000596-san-soci

http://www.courts.go.jp/tokushima/about/koho/yozakura_2009.html

http://headlines.yahoo.co.jp/hl?a=20090406-00000012-mai-soci

http://www.47news.jp/CN/200904/CN2009040301000670.html

http://news.tbs.co.jp/newseye/tbs_newseye4100903.html