Fred R. Eckman ·1981-01-01 ·『Studies in Second Language Acquisition』 4(1) pp. 18-30
4件 (「native speaker」)
Yoko Hasegawa・Kazue Hata ·1988-05-01 ·『The Journal of the Acoustical Society of America』 83(S1) pp. S29-S29
崎山 理・Osamu Sakiyama ·1983-03-22 ·『国立民族学博物館研究報告 = Bulletin of the National Museum of Ethnology』 7(4) pp. 788-824
Junko Hibiya ·1988-01-01 ·University of Pennsylvania