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Ortega-San-Martín, L; Williams, A J; Gordon, C D; Klemme, S; Attfield, J P . (2008). Low temperature neutron diffraction study of MgCr <sub/>2</sub> O <sub/>4</sub> spinel. Journal of Physics: Condensed Matter, 20(10), 104238–. doi:10.1088/0953-8984/20/10/104238 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research