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Beyer, Lucas; Hermans, Alexander; Linder, Timm; Arras, Kai O.; Leibe, Bastian . (2018). Deep Person Detection in Two-Dimensional Range Data. IEEE Robotics and Automation Letters, 3(3), 2726–2733. doi:10.1109/LRA.2018.2835510 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research