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Wu, Hongjian; Xie, Xinliang; Liu, Meimei; Verdy, Christophe; Zhang, Yicha; Liao, Hanlin; Deng, Sihao . (2020). Stable layer-building strategy to enhance cold-spray-based additive manufacturing. Additive Manufacturing, 35(), 101356–. doi:10.1016/j.addma.2020.101356 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research