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Volodymyr Smetana; Volodymyr Babizhetskyy; Grigori V. Vajenine; Arndt Simon. (2008). Darstellung und Kristallstruktur der Phasen Li26Na58Ba38Ex (E = N, H; x = 0 – 1). , 634(5), 849–852. doi:10.1002/zaac.200700520 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research