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Morishima, I.; Yoshikawa, K.; Hashimoto, M.; Bekki, K., Homoallylic interaction between the nitrogen lone pair and the nonadjacent «pi» bond in cyclic and bicyclic amines. I. Photoelectron spectroscopic study, J. Am. Chem. Soc., 1975, 97, 4283. [all data]