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R.E. Boltnev, I.B. Bykhalo, V.V. Khmelenko, I.N. Krushinskaya, D.M. Lee, P.T. McColgan, S. Sheludiakov, and A.A. Pelmenev, Luminescence of molecular nitrogen in cryogenic plasmas, Low Temp. Phys. 45, (2019) [Fiz. Nizk. Temp. 45, 856-861, (2019)] DOI: https://doi.org/10.1063/1.5111300.