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N. V. Zotova; S. A. Karandashev; B. A. Matveev; M. A. Remennyi; N. M. Stus’; N. G. Tarakanova. (2005). Luminescence of multilayer structures based on InAsSb at λ = 6−9 μm. , 39(2), 214–217. doi:10.1134/1.1864201 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research