ISO/CIE DIS 23539:2021 Photometry – The CIE system of physical photometry |
CIE DIS 027:2021 Photometry of road illumination devices, light signalling devices and retroreflective devices for road vehicles. |
ISO/CIE DIS 11664-2:2020(E) Colorimetry – Part 2: CIE standard illuminants |