1. Abu-Ali Ahmed Ben Omar Ibn-Dasta: Izvestiya o hozarah, burtasah, bolgarah, mad'yarah, slavyanah i russah (News about the Khozars, Burtases, Bulgarians, Magyars, Slavs and Russians), 214 p. Imperial Academy of Sciences, St. Petersburg (1869) (In Russian)
2. Alaeva, I.P., Vasyuchkov, E.O., Ankusheva, P.S., Vinogradov, N.B., Rassomakhin, M.A.: The Functionality of the Bronze Age Hearths from the Southern Trans-Urals (Based on the Materials from Zvyagino-4 Settlement). In: Yuminov A., Ankusheva N., Ankushev M., Zaykova E., Artemyev D. (eds.) Geoarchaeology and Archaeological Mineralogy. GAM 2019. Springer Proceedings in Earth and Environmental Sciences. Springer, Cham, 96–103 (2021) DOI: https://doi.org/10.1007/978-3-030-48864-2_14
3. Herodotus: The Histories. With an English translation by A.D. Godley, 446 p. Heinemann, London (1921–25)
4. Koryakova, L.N. Epimakhov, A.V.: The Urals and western Siberia in the Bronze and Iron Ages. Cambridge: Cambridge University Press, 394 p. (2007) DOI: https://doi.org/10.101/BO9780511618451
5. Moseichuk, V.M., Yarkova, A.V., Mihailov, I.G., Kashina, L.V., Surin, T.N., Plokhikh, N. A., Tsin, D.F.: Gosudarstvennaya geologicheskaya karta Rossijskoj Federacii. Masshtab 1:200 000. Seriya Yuzhno-Uralskaya. List N-40-XXIV. Obyasnitelnaya zapiska (State geological map of the Russian Federation. Scale 1:200 000. South Ural series. Sheet N-40-XXIV. Explanatory note), 127 p. Moscow, VSEGEI (2017) (In Russian)