[1]
P. David, C. T. Pham, T. Q. Nguyen, and T. Ziegler, “A new species of the genus Opisthotropis Günther, 1872 (Squamata: Natricidae) from the highlands of Kon Tum Province, Vietnam”, Zootaxa, vol. 2758, no. 1, pp. 43–56, Feb. 2011.