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Leung, Danny M.; Shi, Hongrong; Zhao, Bin; Wang, Jing; Ding, Elizabeth M.; Gu, Yu; Zheng, Haotian; Chen, Gang; Liou, Kuo‐Nan; Wang, Shuxiao; Fast, Jerome D.; Zheng, Guangjie; Jiang, Jingkun; Li, Xiaoxiao; Jiang, Jonathan H. . (2020). Wintertime particulate matter decrease buffered by unfavorable chemical processes despite emissions reductions in China. Geophysical Research Letters, (), –. doi:10.1029/2020GL087721 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research