The phonetic and phonological organization of speech in Japanese 論文集所収 Haruo Kubozono ·2006-08-31 ·『Cambridge University Press eBooks』 pp. 191-200 doi:10.1017/cbo9780511758652.029
What Is and Is not Language-Specific about the Japanese Modal System? A Comparative and Historical Perspective 論文集所収 Tetsuharu Moriya・Kaoru Horie ·2009-01-01 ·『Palgrave Macmillan UK eBooks』 pp. 87-114 doi:10.1057/9780230245754_5