1. Do we need a symbol for a central open vowel?;Barry;Journal of the International Phonetic Association,2008
2. The Pronunciation of Italian;Chapallaz,1979
3. The Sound Pattern of English;Chomsky,1968
4. Generative and Non-linear Phonology;Durand,1990
5. Tense/lax, the vowel system of English and phonological theory;Durand,2005