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TECHNICAL REPORT CIE 251:2023 LED Reference Spectrum for Photometer Calibration ISBN: 978-3-902842-66-4, DOI: 10.25039/TR.251.2023

22.01.202622.01.2026

CIE standard illuminant A was introduced in 1932 to represent typical tungsten-filament lighting in colorimetry, and for decades it has […]

TECHNICAL REPORT ISO/CIE TR.3092.2023 Light and lighting — Energy performance of lighting in buildings — Explanation and justification of ISO/CIE 20086 DOI: 10.25039/ISO/CIE TR 3092:2023

22.01.202622.01.2026

This Technical Report was prepared by Technical Committee ISO/TC 274, Light and lighting, in cooperation with CIE Joint Technical Committee […]

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