1. Accelerating the Global Adoption of Energy-Efficient Lighting
http://wedocs.unep.org/bitstream/handle/20.500.11822/20406/Energy_efficient_lighting.pdf
2. The Transition to Energy Efficient Lighting is One of the Most Straightforward and Cost-Effective Approaches to Significantly Reduce the Threat of Global Climate Change
https://www.unenvironment.org/news-and-stories/story/brighten-making-switch-efficient-lighting
3. Philips QL Induction Lighting Systems: Information for Original Equipment Manufacturers
https://www.stefanslichtparade.de/files/ql_oem_guide.pdf
4. Operations and Maintenance Manual for Energy Management;Piper,2009
5. The High Performance Electrodelesss Fluorescent Lamp
https://www.osram.com/media/resource/HIRES/333886/554635/ENDURA-QUICKTRONIC-System-QT-ENDURA.pdf