CIE 219:2016

Maintaining Summer Levels of 25(OH)D during Winter by Minimal Exposure to Sunbeds: Requirements and Weighing the Advantages and Disadvantages
standard by Commission Internationale de L'Eclairage, 08/01/2016

CIE 019.22-1981

An analytic model for describing the influence of lighting parameters upon visual performance, 2nd ed., Vol.2.: Summary and application guidelines
standard by Commission Internationale de L'Eclairage, 01/01/1981

CIE x013-1997

Proceedings of the CIE LED Symposium '97 on Standard Methods for Specifying and Measuring LED Characteristics
Conference Proceeding by Commission Internationale de L'Eclairage, 01/01/1997