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Rankin, D.W.H.; Robertson, H.E.; Seip, R.; Schmidbaur, H.; Blaschke, G., Determination of the molecular structures of tri(t-butyl)phosphine oxide and tri(t-butyl)phosphine imide in the gas phase by electron diffraction, J. Chem. Soc., Dalton Trans., 1985, No. 4, 827. [all data]