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- IS 1885-16-1 (1968): Electrotechnical Vocabulary, Part XVI: Lighting - Section I General Aspects [ETD 1: Basic Electrotechnical Standards]
- An Expansion of the Ev System
- Recommended Unit Symbols, SI Prefixes, and Abbreviations
- Light Calculations and Measurements Philips Technical Library
- SI Derived Units
- Describing the Strength of Visible Light Douglas A. Kerr, P.E. Issue 2 August 31, 2003
- CIE 170-2 Cone-Fundamental-Based Colorimetry and Photometry
- GINV-1246 UOM Standards.Xlsx
- Ambient Light Sensing (ALS) Contributed by Joe Smith March 31, 2009
- Electro-Optics Handbook
- Unit Unit Symbol Sometimes Occurs As: (Do Not Use) Applications and Notes Quantity Symbol (For Use As Variables, Etc.)