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Li, C.; Zhou, Y.; Lim, T. C.; Sun, G. . (2016). Dynamic responses of a wind turbine drivetrain under turbulent wind and voltage disturbance conditions. Advances in Mechanical Engineering, 8(5), 8/5/1687814016649936–. doi:10.1177/1687814016649936 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research