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Wang, Yuru; Ren, He; Yan, Yibin; He, Shuyan; Wu, Shuang; Zhao, Qian . (2020). Hindered phenolic antioxidants as heat-oxygen stabilizers for HDPE. Polymers and Polymer Composites, (), 096739112097116–. doi:10.1177/0967391120971167 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research