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Bonini, Bianca F.; Beulen, Marcel W. J.; Comes-franchini, Mauro; Mazzanti, Germana; Van De Voort, Herbert H. J. M.; Zwanenburg, Binne . (1996). A NOVEL SYNTHESIS OF THIONO-ESTER S-OXIDES BY SUBSTITUTION OF CHLORINE IN CHLOROSULFINES. Phosphorus, Sulfur, and Silicon and the Related Elements, 108(1-4), 289–293. doi:10.1080/10426509608029661 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research