Aoki, H. 1966. Nez Perce Vowel Harmony and Proto-Sahaptian Vowels. Language 42. 759–767.
@article{aoki1966,
author = {Aoki, H.},
journal = {Language},
pages = {759–767},
title = {Nez Perce Vowel Harmony and Proto-Sahaptian Vowels},
volume = {42},
year = {1966}
}