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Mahboubkhah, Afshin; Talavat, Vahid; Beiraghi, Mojtaba . (2020). Considering transient state in interconnected networks during fault for coordination of directional overcurrent relays. Electric Power Systems Research, 186(), 106413–. doi:10.1016/j.epsr.2020.106413 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research