Illumination in Work Place

Understand compatibility, performance, and dimming issues in LED lighting (MAGAZINE)
Dimming LEDs can increase worker productivity, enhance the experience of diners in a hospitality setting, and save energy, but you have to correctly combine controls, drivers, and LED sources.
http://illuminationinfocus.com/features/4/6/7

Industrial Lighting for Efficiency and Productivity
http://www.efficiencymaine.com/docs/EMBP16176_Tech_Indust_Light.pdf