Synaesthetic adjectives: A possible law of semantic change 論文 Joseph Williams ·1976-06-01 ·『Language』 52(2) pp. 461-478 doi:10.2307/412571
Speech Characteristics of Patients with Parkinson’s Disease: I. Intensity, Pitch, and Duration 論文 Gerald J. Canter ·1963-08-01 ·『Journal of Speech and Hearing Disorders』 28(3) pp. 221-229 doi:10.1044/jshd.2803.221