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Y. Q. Li; A. Rizzo; R. Cingolani; G. Gigli. (2006). Bright White-Light-Emitting Device from Ternary Nanocrystal Composites. , 18(19), 2545–2548. doi:10.1002/adma.200600181 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research