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Fragala, I.; Costanzo, L.L.; Ciliberto, E.; Condorelli, G.; D'Arrigo, C., He-I and He-II excited photoelectron spectra of tetracoordinated complexes of transition metal ions with «beta»-diketonate ligands, Inorg. Chim. Acta, 1980, 40, 15. [all data]