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Gallwitz, Baptist; Müssig, Karsten; Ritzel, Robert; Seufert, Jochen; Staiger, Harald . (2016). Liebe Leserin, lieber Leser,. Diabetologie und Stoffwechsel, 10(5), 215–215. doi:10.1055/s-0034-1398207 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research