Wielstra, B., S. N. Litvinchuk, B. Naumov, N. Tzankov, and J. W. Arntzen. “A Revised Taxonomy of Crested Newts in the Triturus karelinii Group (Amphibia: Caudata: Salamandridae), With the Description of a New Species”. Zootaxa 3682, no. 3 (June 28, 2013): 441–453. Accessed April 23, 2025. https://mapress.com/zt/article/view/zootaxa.3682.3.5.