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Wang, Xiao; Hou, Xiang-Yang; Zhai, Quan-Guo; Hu, Man-Cheng . (2016). Two novel CPs with double helical chains based rigid tripodal ligands: Syntheses, crystal structures, magnetic susceptibility and fluorescence properties. Journal of Molecular Structure, 1123(), 394–399. doi:10.1016/j.molstruc.2016.07.039 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research