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Gates, R. S.; Ying, T. N.; Wang, P. S.; Yin, Z.; Chen, C. I.; Wang, Y.; Hsu, S. M. . (1999). Mechanisms of Alcohols in Assisting the Diamond Grinding of Ceramics. Tribology Transactions, 42(3), 517–522. doi:10.1080/10402009908982249 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research