ZAJĄC, M. Phonetic Imitation of Vowel Duration in L2 Speech. Research in Language, [S. l.], v. 11, n. 1, p. 19–29, 2013. DOI: 10.2478/v10015-012-0009-5. Disponível em: https://czasopisma.uni.lodz.pl/research/article/view/6513. Acesso em: 5 may. 2024.