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I. Gutierrez-Urrutia; D. Raabe. (2011). Dislocation and twin substructure evolution during strain hardening of an Fe–22 wt.% Mn–0.6 wt.% C TWIP steel observed by electron channeling contrast imaging. , 59(16), 6449–6462. doi:10.1016/j.actamat.2011.07.009 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research