http://www.excite.co.jp/News/odd/E1299898164255.html

http://www.chunichi.co.jp/article/shizuoka/20110312/CK2011031202000095.html

http://www.sankei-kansai.com/2011/03/13/20110313-050734.php

http://jp.reuters.com/article/marketsNews/idJPnJT885830020110311

http://www.sanspo.com/shakai/news/110312/sha1103121132031-n1.htm

http://headlines.yahoo.co.jp/hl?a=20110312-00000012-zdn_n-inet

http://www.nikkei.com/news/category/article/g=96958A9C93819695E3E0E2E7828DE3E0E2E1E0E2E3E39180EAE2E2E2;at=ALL