| | Nagurskyy, Andriy Petroleum bitumen obtained from residuals of paraffin-base crude [Текст] / Andriy Nagurskyy, Iryna Fryder // 11 Students' science conference : [abstracts], 03-06 Oct. 2013, Bedlewo / Wroclaw Univ. of Technology. — Wroclaw, 2013. — P. 402-406. |
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