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Andreano, Thomas; Williams, John; Clement, Morgane; Farnell, Casey . (). [American Institute of Aeronautics and Astronautics AIAA Propulsion and Energy 2019 Forum - Indianapolis, IN ()] AIAA Propulsion and Energy 2019 Forum - Performance Comparison of a 1.5 kW Hall Thruster with Center-Mounted and Outer-Pole-Mounted Heaterless Cathodes. , (), –. doi:10.2514/6.2019-4083 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research