1. (1) Liu Hong and Zhao Jianping: Analysis of China's Future Lighting Electricity Saving Potential, Institute of Building Physics, China Academy of Building Research, (Dec. 2008).
2. (2) Shen Tianxing and Liu Hong: A Long-term Forecast of Development Trends of China's Lighting Demand, China Illuminating Engineering Journal, 16-1 (2005).
3. (3) Liu Hong, Shen Tianxing and Gu Bing Wang Chuiping: Forecast of LEDs Future Role on China's General Lighitng Market and its Prospect of Electricity Saving, China Illuminating Engineering Journal, 16-3 (2005).
4. (4) Arthur D. Little. Inc.: Energy savings Potential of Solid State Lighting in General Lighting Application, Report for U.S. Department of Energy (April 2001).
5. (5) Hilary Graves: What if White light LEDs can produce more than 150 Lumen/Watt by 2020? Implications for UK energy use and CO2 emissions, BRE Environment, Garston, Watford, WD259XX, UK.