http://jp.wsj.com/article/SB10001424052702303702904579474011952333586.html?mod=djem_Japandaily_t

http://wired.jp/2014/04/03/rearview-cameras-will-be-required-in-vehicles-in-2018/?utm_source%3Dfeed%26utm_medium%3D

http://techon.jp/article/NEWS/20140401/343581/?ref=ML

http://techon.jp/article/NEWS/20140401/343619/?ref=ML