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Tritschler, V. K.; Olson, B. J.; Lele, S. K.; Hickel, S.; Hu, X. Y.; Adams, N. A. . (2014). On the Richtmyer–Meshkov instability evolving from a deterministic multimode planar interface. Journal of Fluid Mechanics, 755(), 429–462. doi:10.1017/jfm.2014.436 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research