JAROSLAVIENĖ, Jurgita; KAUKĖNIENĖ, Lidija. The Spectra of Daniel Jones’ Cardinal Vowels. Kalbotyra, [S. l.], v. 53, n. 1, p. 25–38, 2004. Disponível em: https://www.zurnalai.vu.lt/kalbotyra/article/view/23314. Acesso em: 7 nov. 2025.