[1] Pand Channon. Optics for people stuck. Phys. Teacher., 1995, 33(2): 112~115
[4] Kurt Nassau. The Physics and Chmistry of Color. New York: A Wiley-Intersciene Publication, John Wiley & Sons, 1983. 219~224
[5] C. F. Bohren. Absorption and Scattering of Light by Small Particles. New York: A Wiley-Intersciene Publication, John Wiley & Sons, 1983. 166~167