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Roslin, Alexandra; Pokrajac, Dubravka; Zhou, Yingfang . (2019). Permeability upscaling using cubic law based on the analysis of multi-resolution micro-CT images of intermediate rank coal. Energy & Fuels, (), acs.energyfuels.9b01625–. doi:10.1021/acs.energyfuels.9b01625 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research