R. Čičirkaitė, “‘On the radio and TV perhaps they even speak Vilnius-like’. An acoustic analysis of unstressed variables /i:/, /u:/, /e:/, /o:/, /æ:/ and /a:/ in broadcast media and Vilnius speech”, TK, no. 8, pp. 107–135, May 2016, doi: 10.15388/TK.2016.17508.