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Viscomi, J. C.; Schoeling, L. G.; Williams, T. E. . (). [Society of Petroleum Engineers SPE Annual Technical Conference and Exhibition - San Antonio, Texas, USA (2017-10-09)] SPE Annual Technical Conference and Exhibition - Development of a Technology Transfer Model in the 2020 Era for the Oil and Gas Industry. , (), –. doi:10.2118/187239-MS 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research