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Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 11, pp. 30–31, Nobember, 1991.
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Nasirov, R.N., Vel'k, O.D. & Solodovnikov, S.P. EPR determination of the content of vanadium and vanadylporphyrins in petroleum products. Chem Technol Fuels Oils 27, 635–637 (1991). https://doi.org/10.1007/BF00725403
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DOI: https://doi.org/10.1007/BF00725403