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Ji, Ning; Liu, Zhijie; Liu, Jinkun; He, Wei . (2018). Vibration control for a nonlinear three-dimensional Euler–Bernoulli beam under input magnitude and rate constraints. Nonlinear Dynamics, (), –. doi:10.1007/s11071-017-4031-y 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research