[1] [1] Wyble D R, Rich D C. Color Research and Application, 2007, 32(3): 166.

[2] [2] Chorro Elísabet, Perales Esther, Navarro Victor, et al. Reproducibility Comparison Between Two Multi-Gonio-Spectrophotometers, in AIC 2009, Proceedings, 2009.

[3] [3] Berns R S, Zhao Y H, Taplin L A, et al. The Use of Spectral Imaging as an Analytical Tool for Art Conservation, Presented at the American Institute of Conservation Annual Meeting, 2009.

[4] [4] Cozzolino D, Cynkar W U, Dambergs R G, et al. Communications in Soil Science and Plant Analysis, 2013, 44: 1610.

[6] [6] Wee A G, Beatty M W, Gozalo-Diaz D J, et al. J. Prosthetic Dent, 2013, 22: 83.

[7] [7] Hasegawa Akira, Motonomi Akio, Ikeda Ikuo. Color Research and Application, 2000, 25(1): 43.

[8] [8] Akira Hasegawa, Ikeda I, Kawaguchi S. Journal of Prosthetic Dentistry, 2000, 83(4): 418.

[9] [9] Wee Alvin G, Lindsey Delwin T, Kuo Shanglun. Dental Materials, 2006, 22(6); 553.

[10] [10] Gozalo-Diaz David J, Lindsey D T, Johnston W M, et al. J. Prosthetic Dent, 2007, 97(1): 45.