Volontsevich Roman V., Lyapkov Sergey M. «Development of geographic variation of body size and reproductive characteristics in Rana arvalis females» // Tomsk State University Journal of Biology 2015. №1 (29) C.113-154
Ivanov Aleksandr V., Zakharova Yelena Yu. «Geographic variability of eyespots number and size in natural populations of Coenonympha oedippus(Fabricius, 1787) (Lepidoptera: Satyridae)» // 2009. №323 C.358-363
