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Dong, Zheng; Li, Xiaolu Lucia; Tse, Chi Kong . (2019). Improved-efficiency quasi-two-stage current-source-mode SIMO LED driver. IET Power Electronics, 12(12), 3286–3294. doi:10.1049/iet-pel.2019.0327 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research