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de Bruin, Tim; Kober, Jens; Tuyls, Karl; Babuska, Robert . (2018). Integrating State Representation Learning Into Deep Reinforcement Learning. IEEE Robotics and Automation Letters, 3(3), 1394–1401. doi:10.1109/LRA.2018.2800101 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research