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Nikoleta Strataki; Maria Antoniadou; Vassilios Dracopoulos; Panagiotis Lianos. (2010). Visible-light photocatalytic hydrogen production from ethanol–water mixtures using a Pt–CdS–TiO2 photocatalyst. , 151(1-2), 53–57. doi:10.1016/j.cattod.2010.03.036 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research