Quality management and quality assurance standards Part 1: Guidelines for selection and use
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/1994

Lighting of tunnels for motorrized traffic (FOREIGN STANDARD)
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/1990

Lighting for outdoor track and field, outdoor soccer fields and rugby fields
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/1997