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T. Aukrust; S. Tjøtta; H.E. Vatne; P. Van Houtte. (1997). Coupled FEM and texture modelling of plane strain extrusion of an aluminium alloy. , 13(1-2), 111–125. doi:10.1016/s0749-6419(97)00003-x 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research