モイラ・イップ
Yip, Moira J. 1980. The tonal phonology of Chinese. PhD dissertation, MIT.
Yip, Moira. 1988. The Obligatory Contour Principle and Phonological Rules: a Loss of Identity. Linguistic Inquiry, 19 (1), 65-100.
Yip, Moira. 1989. Contour tones. Phonology, 6(1), 149-174.
Yip, Moira. 2002. Tone. Cambridge University Press.