1. Some Facts about the Lighting Industry Today and Its Potential for Change in the Future, http://www.nglia.org/documents/SSL-Benefits.pdf (October 2008)
2. http://www.netl.doe.gov/ssl/usingLeds/general_illumination_efficiency_luminous.htm (October 2008)
3. http://www.netl.doe.gov/ssl/comm_testing.htm (October 2008)
4. Strategies Unlimited, The Market for High-Brightness LEDs in Lighting: Application Analysis and Forecast – 2008, August 2008
5. http://www.lbl.gov/today/2006/Mar/14-Tue/standby.html (October 2008)