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Andrea Konečná;Jiahan Li;James H. Edgar;F. Javier García de Abajo;Jordan A. Hachtel;. (2021). Revealing Nanoscale Confinement Effects on Hyperbolic Phonon Polaritons with an Electron Beam . Small, (), –. doi:10.1002/smll.202103404 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research