Studies in Colloquial Japanese II Syntax 論文 Bernard Bloch ·1946-09-01 ·『Language』 22(3-Part1) pp. 200-248 doi:10.2307/410208
Japanese Onomatopes and the Origin of Language 論文 W. G. Aston ·1894-01-01 ·『The Journal of the Anthropological Institute of Great Britain and Ireland』 23 pp. 332-332 doi:10.2307/2842085