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Sasaki, T.; Eguchi, S.; Kiriyama, T.; Sakito, Y.; Kato, H., Photoelectron spectroscopic evidence concerning ground-state through-«sigma»-bond interaction in the 1,3-diazaadamantan-6-one system, J. Chem. Soc., Chem. Commun., 1974, 725. [all data]