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Tan, C. F.; Chen, X. Y.; Lu, Y. F.; Wu, Y. H.; Cho, B. J.; Zeng, J. N. . (2004). Laser annealing of silicon nanocrystal films formed by pulsed-laser deposition. Journal of Laser Applications, 16(1), 40–. doi:10.2351/1.1642632 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research