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Willitsch, S.; Haldi, A.; Merkt, F., Rovibrational energy level structure of the ground electronic state of CH2CO+ and CD2CO+, Chem. Phys. Lett., 2002, 353, 1-2, 167, https://doi.org/10.1016/S0009-2614(01)01495-6 . [all data]