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Yue, Kong; Wu, Jinhao; Xu, Liqin; Tang, Zhongqiu; Chen, Zhangjing; Liu, Weiqing; Wang, Lu . (2020). Use impregnation and densification to improve mechanical properties and combustion performance of Chinese fir. Construction and Building Materials, 241(), 118101–. doi:10.1016/j.conbuildmat.2020.118101 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research