http://blogos.com/article/49904/

http://www.asahi.com/articles/ASG4M6FJHG4MTIPE027.html

http://blog.livedoor.jp/lawprofessional/archives/1663471.html http://www.amazon.co.jp/review/R22MCC8KBJVBUP/ref=cm_cr_dp_title?ie=UTF8&ASIN=4324096570&channel=detail-glance&nodeID=465392&store=books

http://headlines.yahoo.co.jp/hl?a=20140420-00000504-san-soci

http://www.nikkei.com/article/DGXNASFS1400W_Y4A410C1PP8000/