Bibliography

Wielstra, B., S. N. Litvinchuk, B. Naumov, N. Tzankov, and J. W. Arntzen. 2013. A revised taxonomy of crested newts in the Triturus karelinii group (Amphibia: Caudata: Salamandridae), with the description of a new species. Zootaxa 3682: 441–453.