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Meier, Kristina; Klöckner, Wolf; Bonhage, Benjamin; Antonov, Elena; Regestein, Lars; Büchs, Jochen . (2016). Correlation for the maximum oxygen transfer capacity in shake flasks for a wide range of operating conditions and for different culture media. Biochemical Engineering Journal, (), S1369703X16300146–. doi:10.1016/j.bej.2016.01.014 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research