Grigorjevs J. Acoustic characteristics of the Latvian diphthongs produced by male and female informants. Baltistica [Prieiga per internetą]. 2016 m.rugsėjo30 d. [žiūrėta 2026 m.balandžio30 d.];51(1):149–168. Adresas: https://www.journals.vu.lt/baltistica/article/view/39197