Amphibian Species of the World 5.6, an Online Reference

Borkin, L. J., and S. L. Kuzmin . 1988. [Amphibians: species accounts].  In: Vorobyeva, E. I., and I. S. Darevsky (Ed.), [Amphibians and Reptiles of Mongolian People's Republic: General Problems. Amphibians]. Nauka [Moscow], 30-197. [In Russian]