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Elizabeth Dreike Almer; Jill R. Hopper; Steven E. Kaplan. (2003). A Research Tool to Increase Attention to Experimental Materials: Manipulating Presentation Format. , 17(3), 405–418. doi:10.1023/a:1022868425897 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research