1. Electronics J. and Association(JEITA) I. T. I. 2008. Jeita tt-6003a standard specification for car navigation system section of its on-board unit Mar. Electronics J. and Association(JEITA) I. T. I. 2008. Jeita tt-6003a standard specification for car navigation system section of its on-board unit Mar.
2. japan safe driving center (JSDC) 2006. Research on ways of providing information to the motorcycle. Technical Paper Mar. japan safe driving center (JSDC) 2006. Research on ways of providing information to the motorcycle. Technical Paper Mar.