Babik W. and Rafiński J. (2000), «Morphometric differentiation of the moor frog (Rana arvalis Nilss.) in Central Europe», J. Zool. Syst. Evol. Res., 38, 239 – 247.

Bannikov A. G., Darevsky I. S., Ishchenko V. G., Rustamov A. K., and Shcherbak N. N. (1977), Guide to Amphibians and Reptiles of the USSR [Opredelitel’ Zemnovodnykh i Presmykayushchikhsya SSSR], Prosveshchenie, Moscow [in Russian].

Borkin L. J. (1998), «Amphibians», in: Ananjeva N. B., Borkin L. J., Darevsky I. S., and Orlov N. L. (eds.), Amphibians and Reptiles. Encyclopedia of the Nature of Russia [Zemnovodnye i Presmykayushchiesya. Éntsiklopediya Prirody Rossii], ABF, Moscow, pp. 19 – 174 [in Russian].

Fejérváry G. J. (1919), «On two south-eastern varieties of Rana arvalis Nilss»., Ann. Mus. Nat. Hung., 17, 178 – 183.

Ishchenko V. G. (1978), Dynamic Polymorphism in Brown Frogs of the USSR Fauna [Dinamicheskii Polimorfizm Burykh Lyagushek fauny SSSR], Nauka, Moscow [in Russian].

Rafiński J. and Babik W. (2000), «Genetic differentiation among northern and southern populations of the moor frog Rana arvalis Nilsson in Central Europe», Heredity, 84, 610 – 618.

Shcherbak N. N. and Shcherban M. I. (1980), Amphibians and Reptiles of Ukrainian Carpathians [Zemnovodnye i Presmykayushchiesya Ukrainskikh Karpat], Naukova Dumka, Kiev [in Russian.

Tarashchuk S. V. (1984), «On the variation in Rana arvalis in the territory of Ukraine», Vestnik Zool. Kiev, 5, 80 – 82 [in Russian].

Toporkova L. J. (1965), «On the geographic variation of amphibians», Dokl. Vyssh. Shkoly. Biol. Nauki, 1, 31 – 36 [in Russian].