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Bo-Shun Wan; Shi-Jian Liao; Yun Xu; Dao-Rong Yu. (1998). Polymer-supported palladium–nickel bimetallic catalyst for the regioselective hydroesterification of styrene. , 136(3), 263–268. doi:10.1016/s1381-1169(98)00071-5 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research