Title: Razvitie oblasti mnogoletneĭ merzloty i perigli︠a︡t︠s︡ialʹnoĭ zony Severnoĭ Evrazii i uslovii︠a︡ rasselenii︠a︡ drevnego cheloveka
Subjects: Frozen ground, Stratigraphic Geology, Sedimentary basins, Antiquities, Human settlements, Paleothic period