PREDECK, Kristin; BLOCK, Aleese; ARNETT, Carlee. “Problematic phonemes” and German /ɛ:/: An acoustic analysis. Proceedings of the Linguistic Society of America, [S. l.], v. 6, n. 1, p. 280–287, 2021. DOI: 10.3765/plsa.v6i1.4970. Disponível em: https://journals.linguisticsociety.org/proceedings/index.php/PLSA/article/view/4970.. Acesso em: 17 apr. 2026.