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2. V. A. Beznosikov and E. D. Lodygin, “Ecologicalgeochemical assessment of Hydrocarbons in Soils of Northeastern European Russia,” Eur. Soil Sci. 43(5), 550–555 (2010).
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4. D. N. Gabov, V. A. Beznosikov, B. M. Kondratenok, and I. V. Gruzdev, “Saturated hydrocarbons in the background and contaminated soils of the Cisurals,” Eur. Soil Sci. 43(10), 1102–1108 (2010).
5. GOST (State Standard) 17.4.3.01-83. Environmental Protection. General Requirements for Sampling (Moscow, 1983) [in Russian].