http://www.business-i.jp/news/sou-page/news/200705080043a.nwc

http://headlines.yahoo.co.jp/hl?a=20070508-00000026-kyt-l26

http://www.asahi.com/national/update/0508/OSK200705080075.html

http://www.nikkei.co.jp/news/kaigai/20070508AT2M0801C08052007.html

http://www.business-i.jp/news/world-page/news/200705080035a.nwc

http://www.cnn.co.jp/world/CNN200705080039.html

http://www.nikkei.co.jp/news/kaigai/media/djBOT8520.html

http://www.nikkei.co.jp/news/keizai/20070508AT2C0801W08052007.html

http://www.nikkei.co.jp/news/sangyo/20070508AT1D0807K08052007.html

http://www.business-i.jp/news/ind-page/news/200705080019a.nwc