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} }