7[9]Li Yiming, Li Dianmo. The dynamics of trade in live wildlife across the Guangxi border between China and Vietnam during 1993-1996 and its control strategies. Biod and cons, 1998,7:895-914
8[10]Li Yiming, Gao Zenxiang, Li Xinhai et al. Illegal wildlife trade in the Hima layan region of China. Biod and cons, 2000,9:901-918
9[11]Wilcove D S, Rothstein D, Dubow J et al. Quantifying threats to imperiled species in the United States. BioScience, 1998, 48(8): 607-615
