Variability in vowel formant frequencies of children with cerebral palsy Li-mei Chen author Yung-Chieh Lin author Wei Chen Hsu author Fang-hsin Liao author 2013-10 text Proceedings of the 25th Conference on Computational Linguistics and Speech Processing (ROCLING 2013) Hung-Duen Yang editor Wen-Lian Hsu editor Chia-Ping Chen editor The Association for Computational Linguistics and Chinese Language Processing (ACLCLP) Kaohsiung, Taiwan conference publication chen-etal-2013-variability https://aclanthology.org/O13-1026/ 2013-10 260 267