Ermakov Oleg A., Zaks Mikhail M., Zamaletdinov Renat I., Ivanov Alexandr Y., Pavlov Alexey V. «Molecular-genetic characteristic of Pelophylax esculentus complex from the eastern range of distribution (Volga region, Tatarstan Republic)» // Tomsk State University Journal of Biology 2015. №3 (31) C.54-66