零聲母(语音学)(英语:Zero (linguistics)) 空韻 あ行 ㅇ 聲門塞音 不发音字母 Blevins, Juliette, The Bimoraic Foot in Rotuman Phonology and Morphology, Oceanic Linguistics, 1994, 33
派生变化conversion/zero-derivation. Münster, New York, Munich, and Berlin: Waxmann, 2005. 175 pp., £19.90 (pb.), ISBN 3-8309-1456-3. English Language and Linguistics. 2007-11