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van Schalkwijk, Walter A.; Scrosati, Bruno . (2002). Advances in Lithium-Ion Batteries || Advances in Lithium Ion Batteries Introduction. , 10.1007/b113788(Chapter 1), 1–5. doi:10.1007/0-306-47508-1_1 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research