L.  Fei, Hu, S., and Huang, Y., Fauna Sinica, Amphibia, vol. 1. Beijing: Science Press, 2006.

X.  Zeng, Fu, J., Chen, L., Tian, Y., and Chen, X., ?Cryptic species and systematics of the hynobiid salamanders of the Liua?Pseudohynobius complex: Molecular and phylogenetic perspectives?, Biochemical Systematics and Ecology, vol. 34, pp. 467 - 477, 2006.