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2. Technical Regulation of the Customs Union TR TS 013/2011: On Requirements for Automotive and Aviation Gasoline, Diesel and Marine Fuel Oil, Jet Fuel and Heating Oil (approved by the Customs Union Commission on Oct 18, 2011, No 826).
3. GOST (State Standard) 32139-2013: Petroleum and Petroleum Products: Determination of Sulfur Content by Energy Dispersive X-ray Fluorescence Spectroscopy (Standartinform, Moscow, 2014).
4. L. V. Krasnaya, I. V. Vingert, A. N. Privalenko, et al., RU Patent No. 2425366; Byull. Izobret., No. 21, 4 (2011).
5. V. M. Ostrovskaya, S. M. Sergeev, and O. V. Sharapa, RU Patent No. 2489715; Byull. Izobret., No. 22, 5 (2013).