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Hiroshi Yoshizawa; Tsutomu Ohzuku. (2007). An application of lithium cobalt nickel manganese oxide to high-power and high-energy density lithium-ion batteries. , 174(2), 813–817. doi:10.1016/j.jpowsour.2007.06.153 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research