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Gevrey, S.; Luna, A.; Haldys, V.; Tortajada, J.; Morizur, J. P. (1998). „Experimental and theoretical studies of the gas-phase protonation of orthophosphoric acid”. The Journal of Chemical Physics. 108 (6): 2458. Bibcode:1998JChPh.108.2458G. doi:10.1063/1.475628.
