Yu Yang, Hao Zhong-Qi, Li Chang-Mao, Guo Lian-Bo, Li Kuo-Hu, Zeng Qing-Dong, Li Xiang-You, Ren Zhao, Zeng Xiao-Yan. Identification of plastics by laser-induced breakdown spectroscopy combined with support vector machine algorithmJ. Acta Physica Sinica, 2013, 62(21): 215201. DOI: 10.7498/aps.62.215201