MARIN, S. Romanian diphthongs /ea/ and /oa/: an articulatory comparison with /ja/ - /wa/ and with hiatus sequences. Revista de Filología Románica, v. 31, n. 1, p. 83–97, 11 Nov.2015 https://doi.org/10.5209/rev_RFRM.2014.v31.n1.51024.