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Thummel, H.; Klotz, R.; Peyerimhoff, S.D., Study of the a3«PI» and X1«SIGMA»+ states of the MgO molecule: spin-forbidden transitions and breakdown of the Born-Oppenheimer approximation, Chem. Phys., 1989, 135, 229-245. [all data]
Thummel, H.; Peric, M.; Peyerimhoff, S.D.; Buenker, R.J., Ab initio calculation of the potential surfaces for low-lying valence electronic states of the C2H radical, Z. Phys. D: At. Mol. Clusters, 1989, 13, 307-316. [all data]