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Bhaskar, Sini; Anwar Hossain, Khandaker M.; Lachemi, Mohamed; Wolfaardt, Gideon; Otini Kroukamp, Marthinus . (2017). Effect of self-healing on strength and durability of zeolite-immobilized bacterial cementitious mortar composites. Cement and Concrete Composites, 82(), 23–33. doi:10.1016/j.cemconcomp.2017.05.013 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research