1. Akhmadieva E.A., Poletaeva O.Yu., Movsumzade E.M. et al. Distribution of metal compounds of oils in the oil and gas provinces of Russia // Bashkir Chemical Journal. 2017. Vol. 24, No. 2.
2. Akhmetov R.M., Khusainov Sh.M., Leshan I.Yu. Technogenic soil degradation of oil-producing areas of the southern Urals // Proceedings of the Samara Scientific Center of the Russian Academy of Sciences. 2011. Vol. 13, No. 5(2).
3. Breus I.P., Smirnova-Efstifeeva E.V., Neklyudov S.A., etc. Transport of liquid hydrocarbons in leached chernozem // Soil Science. 2005. № 6.
4. Vodyanitsky Yu.N., Savichev A.T., Trofimov S.Ya., etc. Metals in oil-contaminated peat (Western Siberia) // Bulletin of the V.V. Dokuchaev Soil Institute. 2011. № 67.
5. Vojvodina T.S. The influence of oil on the chemical properties of ordinary chernozem of the Southern Urals // Vestn. Orenburg State University. 2015. № 10.