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Xia, P.; Yu, N.C.; Bloomfield, L.A., Experimental and Theoretical Studies of Single Excess Electrons in Sodium Chloride Cluster Anions, Phys. Rev. B: Cond. Matt., 1993, 47, 15, 10040, https://doi.org/10.1103/PhysRevB.47.10040 . [all data]