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Castro-Fernández, Silvia; Yang, Ren; García, A. Patricio; Garzón, Ignacio L.; Xu, Hai; Petrovic, Ana G.; Alonso Gómez, José Lorenzo . (2017). Diverse Chiral Scaffolds from Diethynylspiranes: All-Carbon Double Helices and Flexible Shape-Persistent Macrocycles. Chemistry - A European Journal, (), –. doi:10.1002/chem.201702986 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research