http://gigazine.net/index.php?/news/comments/20070923_bear_camp/

http://mytown.asahi.com/mie/news.php?k_id=25000000709190001

http://headlines.yahoo.co.jp/hl?a=20070922-00000905-san-soci

http://kyushu.yomiuri.co.jp/news/ne_07092303.htm

http://headlines.yahoo.co.jp/hl?a=20070922-00000405-yom-soci

http://www.sanin-chuo.co.jp/column/modules/news/article.php?storyid=441513033&from=top

http://news.goo.ne.jp/article/asahi/nation/K2007092300014.html