1. Narody Rossii. Entsiklopediya (Peoples of Russia: An Encyclopedia), Tishkov, V.A., Ed., Moscow: Bol?shaya Ross. Entsiklopediya, 1994.
2. Bruk, S.I., Naselenie mira. Etnodemograficheskii spravochnik (Global Population: An Ethnodemographical Handbook), Moscow: Nauka, 1986.
3. Kiselev, S.V., Istoriya Yuzhnoi Sibiri (History of Southern Siberia), Moscow: Akad. Nauk SSSR, 1951, pp. 43?48.
4. Derevyanko, A.P., Molodin, V.I., Savinov, D.G., et al., Drevnie kul?tury Bertekskoi doliny: Gornyi Altai, ploskogor?e Ukok, (Ancient Cultures of the Bertekskaya Valley: Highland Altai, the Ukok Plateau), Molodin, V.I., Ed., Novosibirsk: Nauka, 1994.
5. Debets, G.F., Paleoanthropology of the Soviet Union, Tr. Inst. Etnograf. Akad. Nauk SSSR, Moscow: Akad. Nauk SSSR, 1948, vol. 4.