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Borges, Paulo H.R.; Banthia, Nemkumar; Alcamand, Himad A.; Vasconcelos, Wander L.; Nunes, Eduardo H.M. . (2016). Performance of blended metakaolin/blastfurnace slag alkali-activated mortars. Cement and Concrete Composites, (), S0958946516300841–. doi:10.1016/j.cemconcomp.2016.04.008 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research