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Şenbil, Nesrin; Gruber, Markus; Zhang, Chi; Fuchs, Matthias; Scheffold, Frank . (2019). Observation of Strongly Heterogeneous Dynamics at the Depinning Transition in a Colloidal Glass. Physical Review Letters, 122(10), 108002–. doi:10.1103/PhysRevLett.122.108002 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research