An Accurate Method to Measure the Shape and Length of the Vocal Tract for the Five Japanese Vowels by MRI. 論文 Chang‐Sheng Yang・Hideki Kasuya・Shigeru Kanou・Shunhiko Satou ·1994-01-01 ·『The Japan Journal of Logopedics and Phoniatrics』 35(4) pp. 317-321 doi:10.5112/jjlp.35.317