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Lu, Tao; Lei, Juncheng; Gou, Qian; Feng, Gang . (2020). Weak hydrogen bonds between alkyl halides and amides: The microwave spectroscopic and theoretical study of the difluoromethane⋯formamide complex. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, (), 118681–. doi:10.1016/j.saa.2020.118681 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research