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Gholami Shahbandi, Saeed; Magnusson, Martin; Iagnemma, Karl . (2018). Nonlinear Optimization of Multimodal 2D Map Alignment with Application to Prior Knowledge Transfer. IEEE Robotics and Automation Letters, (), 1–1. doi:10.1109/LRA.2018.2806439 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research