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Castaneda, Daniel I.; Riding, Kyle A.; Lange, David A. . (2019). Prediction of Freezing Temperature inside Concrete Crossties at the Rail Seat Area. Journal of Materials in Civil Engineering, 31(1), 04018358–. doi:10.1061/(ASCE)MT.1943-5533.0002528 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research