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Olivier Coulembier; Daniel P. Sanders; Alshakim Nelson; Andrew N. Hollenbeck; Hans W. Horn; Julia E. Rice; Masaki Fujiwara; Philippe Dubois; James L. Hedrick. (2009). Hydrogen-Bonding Catalysts Based on Fluorinated Alcohol Derivatives for Living Polymerization. , 48(28), 5170–5173. doi:10.1002/anie.200901006 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research