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Zhou, Lei; Zhou, Rusen; Zuo, Jingshuai; Tu, Song; Yin, Yingwu; Ye, Liyi . (2019). Unsaturated polyester resins with low- viscosity: preparation and mechanical properties enhancement by isophorone diisocyanate (IPDI) modification. Materials Research Express, (), –. doi:10.1088/2053-1591/ab4380 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research