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Wang, Jing; Feng, Liang; Palmer, Paul I.; Liu, Yi; Fang, Shuangxi; Bösch, Hartmut; O’Dell, Christopher W.; Tang, Xiaoping; Yang, Dongxu; Liu, Lixin; Xia, ChaoZong . (2020). Large Chinese land carbon sink estimated from atmospheric carbon dioxide data. Nature, 586(7831), 720–723. doi:10.1038/s41586-020-2849-9 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research