Xu, Anqi; van Niekerk, Daniel R; Gerazov, Branislav; Krug, Paul Konstantin; Prom-on, Santitham; Birkholz, Peter; Xu, Yi; (2025) Learnability of English diphthongs: One dynamic target vs. two static targets. Speech Communication , 170 , Article 103225. 10.1016/j.specom.2025.103225.