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A. Yu. Tsivadze,A. Ya. Fridman…. (2017). Electrosynthesis of ammonia in hydrogen-producing sorption-active electrochemical matrix. Theoretical Foundations of Chemical Engineering, 51(2), 151–154. doi:10.1134/S0040579517020129 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research