[1] [1] Syvilay D, Texier A, Arles A, et al. Spectrochimica Acta Part B: Atomic Spectroscopy, 2015, 103: 34.

[2] [2] Agrosì G, Tempesta G, Scandale E, et al. Spectrochimica Acta Part B: Atomic Spectroscopy, 2014, 102: 48.

[3] [3] Khater M A. Spectrochimica Acta Part B: Atomic Spectroscopy, 2013, 81: 1.

[4] [4] Khumaeni A, Niki H, Fukumoto K. Current Applied Physics, 2011, 11: 423.

[5] [5] Zhang L, Ma W G, Dong L, et al. Applied. Spectroscopy, 2011, 65(7): 790.

[6] [6] Gondal M A, Dastageer A, Maslehuddin M, et al. Optics & Laser Technology, 2012, 44: 566.

[7] [7] Haider A F, Rony M A, Lubna R S, et al. Optics & Laser Technology, 2011, 43: 1405.

[10] [10] Diwakar P K, Hahn D W. Spectrochimica. Acta Part B: Atomic Spectroscopy, 2008, 63: 1038.

[11] [11] Christian G Parigger, Lauren D Swafford, Alexander C, et al. Spectrochimica Acta Part B: Atomic Spectroscopy, 2014, 99: 28.

[12] [12] NIST Atomic Spectra Database, http://physics.nist.gov/PhysRefData/Handbook/index.html.