http://www.sponichi.co.jp/society/news/2012/12/18/kiji/K20121218004803340.html

http://itpro.nikkeibp.co.jp/article/NEWS/20121218/445061/?top_nhl

http://www.yomiuri.co.jp/national/news/20121218-OYT1T00969.htm

http://headlines.yahoo.co.jp/hl?a=20121219-00000005-mai-soci

http://www.yomiuri.co.jp/national/news/20121218-OYT1T01011.htm?from=ylist

http://www3.nhk.or.jp/news/html/20121218/k10014272291000.html

http://headlines.yahoo.co.jp/hl?a=20121218-00000057-jij-soci

http://www.yomiuri.co.jp/e-japan/aomori/feature/aomori1348842371812_02/news/20121001-OYT8T00035.htm?from=tw