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Hill, J. M.; Dabrowski, B.; Mitchell, J. F.; Jorgensen, J. D. . (2006). ): Evolution of crystallographic and magnetic states. Physical Review B, 74(17), 174417–. doi:10.1103/PhysRevB.74.174417 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research