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Zhao, Binjie; Deng, Zigang; Hu, Zunxiang; Liu, Yu; Zhang, Shuai; Zheng, Jun . (2020). Levitation Force Characteristics of High-Temperature Superconducting Bulks in a High Magnetic Field. IEEE Transactions on Applied Superconductivity, (), 1–1. doi:10.1109/TASC.2020.2976999 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research