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Han, Seungwu; Zepeda-Ruiz, Luis A.; Ackland, Graeme J.; Car, Roberto; Srolovitz, David J. . (2003). Interatomic potential for vanadium suitable for radiation damage simulations. Journal of Applied Physics, 93(6), 3328–. doi:10.1063/1.1555275 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research