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Philip, Jobin T.; George, S. Thomas . (2019). Visual P300 Mind-Speller Brain-Computer Interfaces: A Walk Through the Recent Developments With Special Focus on Classification Algorithms. Clinical EEG and Neuroscience, (), 155005941984275–. doi:10.1177/1550059419842753 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research