1. (1) OHNO Yoshi: Color Issues of White LEDs, in "Solid State Light Emitting Diodes For General Illumination", OIDA Workshop Preliminary, Report, October 26-27, (2000).
2. Optimization of white polychromatic semiconductor lamps
3. (3) NAKAMURA, S., Fasol, G.: The Blue Laser Diode, Berlin, Germany: Springer, (1997).
4. (4) CIE: Method of Measuring and Specifying Colour Rendering Properties of Light Sources, CIE Publication, No. 13.3, (1995).
5. (5) CIE: Colorimetry, Second Edition. CIE Publication, No. 15.2, (1986).