2003-12-10 ■ http://www.asahi.com/business/update/1209/003.html http://www.asahi.com/science/update/1208/002.html http://www.coxar.pwp.blueyonder.co.uk/ http://www.realtokyo.co.jp/japanese/war01.htm http://www.realtokyo.co.jp/japanese/column/ozaki56.htm