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Azeem, Syed Waqar; Chen, Wu; Jinjie, Yao; Tariq, Irfan . (2020). [IEEE 2020 IEEE Applied Power Electronics Conference and Exposition (APEC) - New Orleans, LA, USA (2020.3.15-2020.3.19)] 2020 IEEE Applied Power Electronics Conference and Exposition (APEC) - A Hybrid Resonant three-level ZCS Converter Suitable for Medium Voltage Dc Distribution Network. , (), 2968–2972. doi:10.1109/APEC39645.2020.9124546 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research