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Knight, L.B., Jr.; Johannessen, K.D.; Cobranchi, D.C.; Earl, E.A.; Feller, D.; Davidson, E.R., ESR and ab initio theoretical studies of the cation radicals 14N+4 and 15N+4 The trapping of ion--neutral reaction products in neon matrices at 4 K, J. Chem. Phys., 1987, 87, 2, 885, https://doi.org/10.1063/1.453243 . [all data]