Hill, Nathan W. 2012. The six vowel hypothesis of Old Chinese in comparative context. Bulletin of Chinese Linguistics 6. 1-69.
@article{jacquesestimative-hill12sixvowels,
author = {Hill, Nathan W.},
journal = {Bulletin of Chinese Linguistics},
number = {2},
pages = {1-69},
title = {The six vowel hypothesis of Old Chinese in comparative context},
volume = {6},
year = {2012}
}