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Jahnke, Sara; Imhoff, Roland; Hoyer, Juergen . (2015). Stigmatization of People with Pedophilia: Two Comparative Surveys. Archives of Sexual Behavior, 44(1), 21–34. doi:10.1007/s10508-014-0312-4 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research