Evans, J.P.J.P.EvansSun, J.T.-S.J.T.-S.SunChenhao ChiuLiou, M.M.Liou2018-09-102018-09-102016http://www.scopus.com/inward/record.url?eid=2-s2.0-84961204169&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/396649Uvular approximation as an articulatory vowel featurejournal article10.1017/S0025100315000146