[16] Liu Song, Li Qinghui, Gan Fuxi, et al. X-Ray Spectrometry, 2011, 40(5): 364.
[17] Zhao H X, Li Q H, Liu S, et al. Journal of Raman Spectroscopy, 2013, 44(4): 643.
[20] de Faria D L A, Venncio Silva S, de Oliveira M T. Journal of Raman Spectroscopy, 1997, (28): 873.
[21] Bikiaris D, Sister Daniilia, Sotiropoulou S, et al. Spectrochimica Acta Part A, 2000, 56: 3.