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Prakash, Guru; Nath, S. K. . (2018). Studies on Enhancement of Silt Erosion Resistance of 13/4 Martensitic Stainless Steel by Low-Temperature Salt Bath Nitriding. Journal of Materials Engineering and Performance, (), –. doi:10.1007/s11665-018-3424-5 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research