1. Andreyashkina, N.I. and Peshkova, N.V., Subarctic Tundras, in Priroda Yamala (Nature of the Yamal Peninsula), Yekaterinburg: Nauka, 1995.
2. Berman, D.I. and Zhigul’skaya, Z.A., Cold Tolerance and Wintering Conditions of Ant Populations in the North, Usp. Sovrem. Biol., 1995, vol. 115, no. 6, pp. 677–691.
3. Bolotnye sistemy Zapadnoi Sibiri i ikh prirodookhrannoe znachenie (Bog Ecosystems and Their Significance for Nature Conservation), Liss, O.L., Abramova, L.I., Avetov, N.A., et al., Eds., Tula: Grif i Ko, 2001.
4. Dlusskii, G.M., Murav’i roda Formica (Ants of the Genus Formica), Moscow: Nauka, 1967.
5. Flora Zapadnoi Sibiri (The Flora of Western Siberia), Tomsk, 1958.