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Moussa Labbadi;Mohamed Cherkaoui;. (2021). Adaptive Fractional-Order Nonsingular Fast Terminal Sliding Mode Based Robust Tracking Control of Quadrotor UAV With Gaussian Random Disturbances and Uncertainties . IEEE Transactions on Aerospace and Electronic Systems, (), –. doi:10.1109/taes.2021.3053109 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research