[1] Alexander A Bol’shakov, Jong H Yoo, Chunyi Liu, et al. Applied Optics, 2010, 49(13): c132.
[4] Lasheras R J, Bello-Gálvez C, Rodríguez-Celis E M, et al. Journal of Hazardous Materials, 2011, 192(2): 704.
[5] Viskup R, Praher B, Linsmeyer T, et al. Spectrochimica Acta Part B, 2010, 65(11): 935.
[11] Kramida A, Ralchenko Yu, Reader J, et al. NIST Atomic Spectra Database (ver. 5.0), [Online]. Available: http://physics.nist.gov/asd[2012, December 8]. National Institute of Standards and Technology, Gaithersburg, MD.