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Burns, P.C.; Smith, J.V.; Steele, I.M. . (2000). Arizona porphyry copper/hydrothermal deposits I. The structure of chenevixite and luetheite [PLUS Tables of structure factor data]. Mineralogical Magazine, 64(1), 25–25. doi:10.1180/002646100549102 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research