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Sonin, V. M.; Bul’bak, T. A.; Zhimulev, E. I.; Tomilenko, A. A.; Chepurov, A. I.; Pokhilenko, N. P. . (2014). Synthesis of heavy hydrocarbons underP-Tconditions of the Earth’s upper mantle. Doklady Earth Sciences, 454(1), 32–36. doi:10.1134/S1028334X1401005X 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research