CENTER OF SPECIES DIVERSITY OF EURASIAN MARMOTS (MARMOTA, RODENTIA) IN AN EPI-PLATFORMAL OROGENY AREA Статья Nikol'skii A.A., Rumiantsev V.Y. Doklady biological sciences : proceedings of the Academy of Sciences of the USSR, Biological sciences sections / translated from Russian. Том 445. 2012. С. 261-264