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Desideri, Adriano; Dechesne, Bertrand; Wronski, Jorrit; van den Broek, Martijn; Gusev, Sergei; Lemort, Vincent; Quoilin, Sylvain . (2016). Comparison of Moving Boundary and Finite-Volume Heat Exchanger Models in the Modelica Language. Energies, 9(5), 339–. doi:10.3390/en9050339 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research