[1] Jin Qicheng,Jiao Shulan,Yu Bailin et al.. Chromaticity [M]. Beijing:Science Press,1979:220-226
[5] U.S. Council on optical radiation measurements,results of the intercomparison of correlated color temperature calculation,CORM CR3 meeting,Gaithersburg,Maryland,3 May 1999
[6] Dai Caihong,Yu Jialin. Discussion on t he calculating met hods for color temperature of t he source [J]. Acta Metrologica Sinica,2000 ,21(3):183-188
[8] J. L. Gardner. Correlated colour temperature-uncertainty and estimation [J]. Metrologia,2000,37:381-384
[9] Huang Zhiwei,Chen Jinkai,Zheng Wei et al.. Calculating empirical formula of source color temperature Tc by orthogonal polynominal regression combined with least-square fit[J]. Spectroscopy and Spectral Analysis,1995,15(5):107-113
[10] Li Shihan,Chen Guoqi. Improving the calculation of relative colour temperature of light sources by the equation of curve-fitting[J]. J. Electron Devices,1995,15(5):106-111