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Dunlap, Nathan Arthur; Kim, Seulcham; Jeong, Je Jun; Oh, Kyu Hwan; Lee, Se-Hee . (2018). Simple and inexpensive coal-tar-pitch derived Si-C anode composite for all-solid-state Li-ion batteries. Solid State Ionics, 324(), 207–217. doi:10.1016/j.ssi.2018.07.013 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research