1. http://www.osram-os.com/osram_os/en/press/press-releases/led-for-automotive,-consumer,-industry/2014/osram-achieves-record-figures-with-green-leds/index.jsp.
2. OSRAM SYLVANIA Inc. estimates based on McKinsey & Company, Lighting the Way: Perspectives on the Global Lighting Market, 1st ed. (2011).
3. ISO 21348 Definitions of Solar Irradiance Spectral Categories.
4. Schubert E. F. , Light-Emitting Diodes, 2nd Ed., pp. 201, Cambridge University Press, New York (2006).