Liu, H.-M.H.-M.LiuFENG-MING TSAOKuhl, P.K.P.K.Kuhl2018-09-102018-09-102007http://www.scopus.com/inward/record.url?eid=2-s2.0-34548158467&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/331893application/pdf209933 bytesapplication/pdfAcoustic Analysis of Lexical Tone in Mandarin Infant-Directed Speechjournal article10.1037/0012-1649.43.4.912